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13.7k
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1.22M
202A
202
A
en
A. LLPS
<div class="problem-statement"><div class="header"><div class="title">A. LLPS</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="property-...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="43939f0311aa3ebc618d5cbb38b7f1cd"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Binary search", "Bitmasks", "Brute force", "Greedy algorithms", "Implementation problems, programming technics, simulation", "Prefix- and Z-functions, suffix structures, Knuth\u2013Morris\u2013Pratt algorithm, etc"]
["binary search", "bitmasks", "brute force", "greedy", "implementation", "strings", "*800"]
202B
202
B
en
B. Brand New Easy Problem
<div class="problem-statement"><div class="header"><div class="title">B. Brand New Easy Problem</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><di...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="24b5c3be9c12433d0a7dd6b9dde49d54"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force"]
["brute force", "*1700"]
202C
202
C
en
C. Clear Symmetry
<div class="problem-statement"><div class="header"><div class="title">C. Clear Symmetry</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class=...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5f6174ca88b0115eced9bfd6c383ce1c"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Binary search", "Mathematics including integration, differential equations, etc"]
["binary search", "math", "*1700"]
202D
202
D
en
D. Guess That Car!
<div class="problem-statement"><div class="header"><div class="title">D. Guess That Car!</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="420f9404e2433d8c0c0e4a431495b5c8"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dynamic programming", "Mathematics including integration, differential equations, etc"]
["dp", "math", "*1800"]
202E
202
E
en
E. Fragile Bridges
<div class="problem-statement"><div class="header"><div class="title">E. Fragile Bridges</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="11b3e18eb9af765931582dd6a432e4e0"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Heaps, binary search trees, segment trees, hash tables, etc", "Dynamic programming"]
["data structures", "dp", "*2000"]
203A
203
A
en
A. Two Problems
<div class="problem-statement"><div class="header"><div class="title">A. Two Problems</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="p...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="35c53b5aa0e3a8ece61de8c859f8c60f"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Implementation problems, programming technics, simulation"]
["brute force", "implementation", "*1200"]
203B
203
B
en
B. Game on Paper
<div class="problem-statement"><div class="header"><div class="title">B. Game on Paper</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="fb668ed0611fe5ed6eb483435da3846e"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Implementation problems, programming technics, simulation"]
["brute force", "implementation", "*1300"]
203C
203
C
en
C. Photographer
<div class="problem-statement"><div class="header"><div class="title">C. Photographer</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="p...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="21881c7e0d95c60880112f50a381bc5f"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Greedy algorithms", "Sortings, orderings"]
["greedy", "sortings", "*1400"]
203D
203
D
en
D. Hit Ball
<div class="problem-statement"><div class="header"><div class="title">D. Hit Ball</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="prope...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="9a183604d93fb13631c8632e1520fb8f"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Geometry, computational geometry", "Implementation problems, programming technics, simulation", "Mathematics including integration, differential equations, etc"]
["geometry", "implementation", "math", "*1700"]
203E
203
E
en
E. Transportation
<div class="problem-statement"><div class="header"><div class="title">E. Transportation</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class=...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="cb151a50a05bd1218f510127585e17f6"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Greedy algorithms", "Sortings, orderings", "Two pointers"]
["greedy", "sortings", "two pointers", "*2300"]
204A
204
A
en
A. Little Elephant and Interval
<div class="problem-statement"><div class="header"><div class="title">A. Little Elephant and Interval</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-fil...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="e55a02da3c83d149c773e13b9508a5cd"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Binary search", "Combinatorics", "Dynamic programming"]
["binary search", "combinatorics", "dp", "*1500"]
https://codeforces.com/blog/entry/4849
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="780c2b72b71ef26333e099a3b759c430"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
204B
204
B
en
B. Little Elephant and Cards
<div class="problem-statement"><div class="header"><div class="title">B. Little Elephant and Cards</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="68e22ffb641cf99dc84c93f4940ea83a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Binary search", "Heaps, binary search trees, segment trees, hash tables, etc"]
["binary search", "data structures", "*1500"]
https://codeforces.com/blog/entry/4849
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="780c2b72b71ef26333e099a3b759c430"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
204C
204
C
en
C. Little Elephant and Furik and Rubik
<div class="problem-statement"><div class="header"><div class="title">C. Little Elephant and Furik and Rubik</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="in...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="6f3dd597680804123349a741329ac31f"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Mathematics including integration, differential equations, etc", "Probabilities, expected values, statistics, random variables, etc"]
["math", "probabilities", "*2000"]
https://codeforces.com/blog/entry/4849
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="780c2b72b71ef26333e099a3b759c430"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
204D
204
D
en
D. Little Elephant and Retro Strings
<div class="problem-statement"><div class="header"><div class="title">D. Little Elephant and Retro Strings</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="inpu...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="490f8a74ece8b9c28bfad1500237db62"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dynamic programming"]
["dp", "*2400"]
https://codeforces.com/blog/entry/4849
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="780c2b72b71ef26333e099a3b759c430"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
204E
204
E
en
E. Little Elephant and Strings
<div class="problem-statement"><div class="header"><div class="title">E. Little Elephant and Strings</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="8f24fc2a420221030fe9321a6f6b8da9"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Heaps, binary search trees, segment trees, hash tables, etc", "Implementation problems, programming technics, simulation", "Suffix arrays, suffix trees, suffix automatas, etc", "Two pointers"]
["data structures", "implementation", "string suffix structures", "two pointers", "*2800"]
https://codeforces.com/blog/entry/4849
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="780c2b72b71ef26333e099a3b759c430"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
205A
205
A
en
A. Little Elephant and Rozdil
<div class="problem-statement"><div class="header"><div class="title">A. Little Elephant and Rozdil</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="885056470c11f342b076f4b0f93f7d83"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Implementation problems, programming technics, simulation"]
["brute force", "implementation", "*900"]
https://codeforces.com/blog/entry/4849
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="780c2b72b71ef26333e099a3b759c430"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
205B
205
B
en
B. Little Elephant and Sorting
<div class="problem-statement"><div class="header"><div class="title">B. Little Elephant and Sorting</div><div class="time-limit"><div class="property-title">time limit per test</div>0.5 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-fi...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="92178e7d7261e43f44e0eb80b0ece345"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Greedy algorithms"]
["brute force", "greedy", "*1400"]
https://codeforces.com/blog/entry/4849
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="780c2b72b71ef26333e099a3b759c430"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
205C
205
C
en
C. Little Elephant and Interval
<div class="problem-statement"><div class="header"><div class="title">C. Little Elephant and Interval</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-fil...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="e1c1790520dab436323d91bdb702f0ac"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Binary search", "Brute force", "Combinatorics", "Dynamic programming", "Mathematics including integration, differential equations, etc"]
["binary search", "brute force", "combinatorics", "dp", "math", "*1500"]
https://codeforces.com/blog/entry/4849
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="780c2b72b71ef26333e099a3b759c430"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
205D
205
D
en
D. Little Elephant and Cards
<div class="problem-statement"><div class="header"><div class="title">D. Little Elephant and Cards</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="fcd67bdde3cd96d7ab7402a4918c6eee"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Binary search", "Brute force", "Sortings, orderings"]
["binary search", "brute force", "sortings", "*1500"]
https://codeforces.com/blog/entry/4849
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="780c2b72b71ef26333e099a3b759c430"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
205E
205
E
en
E. Little Elephant and Furik and Rubik
<div class="problem-statement"><div class="header"><div class="title">E. Little Elephant and Furik and Rubik</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="in...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="1196271e6e505ef861cff0c38bbf4ad9"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Combinatorics", "Probabilities, expected values, statistics, random variables, etc"]
["brute force", "combinatorics", "probabilities", "*2000"]
https://codeforces.com/blog/entry/4849
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="780c2b72b71ef26333e099a3b759c430"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
206A1
206
A1
en
A1. Beaver's Calculator 1.0
<div class="problem-statement"><div class="header"><div class="title">A1. Beaver's Calculator 1.0</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="28a69818617792370398b0da552cc293"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1600"]
206A2
206
A2
en
A2. Beaver's Calculator 1.0
<div class="problem-statement"><div class="header"><div class="title">A2. Beaver's Calculator 1.0</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="0467001d76031cb0029b41b5ae7fad03"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1800"]
206A3
206
A3
en
A3. Beaver's Calculator 1.0
<div class="problem-statement"><div class="header"><div class="title">A3. Beaver's Calculator 1.0</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="9ba4115f74063c9fc1b6e60e0957fdd3"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2000"]
206B1
206
B1
en
B1. Military Trainings
<div class="problem-statement"><div class="header"><div class="title">B1. Military Trainings</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="ab039d3603c513cd2af4f3447fcb78cc"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1600"]
206B2
206
B2
en
B2. Military Trainings
<div class="problem-statement"><div class="header"><div class="title">B2. Military Trainings</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="63af1c05dad890acc40b781077715b1b"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1900"]
206B3
206
B3
en
B3. Military Trainings
<div class="problem-statement"><div class="header"><div class="title">B3. Military Trainings</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="04de7e5575a36c293da2e01990587aa4"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1700"]
206C1
206
C1
en
C1. Game with Two Trees
<div class="problem-statement"><div class="header"><div class="title">C1. Game with Two Trees</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="da52f772c0e9da315fd93bb20de1ab35"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2100"]
206C2
206
C2
en
C2. Game with Two Trees
<div class="problem-statement"><div class="header"><div class="title">C2. Game with Two Trees</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="b1ec291133b690e1350e907c8ac2eca2"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2200"]
206D1
206
D1
en
D1. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D1. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="d229df2f44c17996bd7d225d0f276360"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1800"]
206D2
206
D2
en
D2. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D2. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="ac7e48834b8c5eb4dacb105afa64688f"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2000"]
206D3
206
D3
en
D3. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D3. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="e8c9c20c92c732d0ff91df0fdbcd1f82"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2000"]
206D4
206
D4
en
D4. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D4. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="20556db1d22acf90aad508cbb688f196"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2100"]
206D8
206
D8
en
D8. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D8. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="1882682496a04a937d0c334285ac3a17"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2300"]
207A1
207
A1
en
A1. Beaver's Calculator 1.0
<div class="problem-statement"><div class="header"><div class="title">A1. Beaver's Calculator 1.0</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="d8c4c562cd68a55a9ba21f51e79bdfa1"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Greedy algorithms"]
["greedy", "*1600"]
207A2
207
A2
en
A2. Beaver's Calculator 1.0
<div class="problem-statement"><div class="header"><div class="title">A2. Beaver's Calculator 1.0</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="0ca169a2f8e58944ec5ce3710969da66"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Greedy algorithms"]
["greedy", "*1800"]
207A3
207
A3
en
A3. Beaver's Calculator 1.0
<div class="problem-statement"><div class="header"><div class="title">A3. Beaver's Calculator 1.0</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="1dfaf717cdacc142897d0d2a523eab6a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Greedy algorithms"]
["greedy", "*2000"]
207B1
207
B1
en
B1. Military Trainings
<div class="problem-statement"><div class="header"><div class="title">B1. Military Trainings</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="aed7ea010775e43475bb10e3a4164da6"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1600"]
207B2
207
B2
en
B2. Military Trainings
<div class="problem-statement"><div class="header"><div class="title">B2. Military Trainings</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="24c6e02f77251d40c80b2236c7d324eb"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1900"]
207B3
207
B3
en
B3. Military Trainings
<div class="problem-statement"><div class="header"><div class="title">B3. Military Trainings</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="07e49a58796618ff9f4d089457ce774e"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1700"]
207C1
207
C1
en
C1. Game with Two Trees
<div class="problem-statement"><div class="header"><div class="title">C1. Game with Two Trees</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="f48a6f839ea2e111bbc5cf7711f0f688"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2100"]
207C2
207
C2
en
C2. Game with Two Trees
<div class="problem-statement"><div class="header"><div class="title">C2. Game with Two Trees</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="9c0838881bdf2c9ea1d2201778e89e90"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2200"]
207C3
207
C3
en
C3. Game with Two Trees
<div class="problem-statement"><div class="header"><div class="title">C3. Game with Two Trees</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="917dd6ef2ec1affc67de05af686dbe6b"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Heaps, binary search trees, segment trees, hash tables, etc"]
["data structures", "*2700"]
207D1
207
D1
en
D1. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D1. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="877e793983857dc3da8fd94710963cef"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1800"]
207D10
207
D10
en
D10. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D10. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="937a8ed11e22cb2a1559332532973c7a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2100"]
207D2
207
D2
en
D2. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D2. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="a145b768ff7c7c8e455cbd4ce82d9c18"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2000"]
207D3
207
D3
en
D3. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D3. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="b4214546dd5fee5afec5225394184089"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2000"]
207D4
207
D4
en
D4. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D4. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="43c9c166184cb61cdc8b4e7fc4eeb5aa"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2100"]
207D5
207
D5
en
D5. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D5. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="2e572e8590172594071d76acf7768419"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1600"]
207D6
207
D6
en
D6. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D6. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="c62ee26403ef3b09fd569f25a212fa62"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2100"]
207D7
207
D7
en
D7. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D7. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="9c3a2a204982e82487757d4ed2f6016a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1600"]
207D8
207
D8
en
D8. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D8. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="559e51c2bbbf599448fa94b88e888c27"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2300"]
207D9
207
D9
en
D9. The Beaver's Problem - 3
<div class="problem-statement"><div class="header"><div class="title">D9. The Beaver's Problem - 3</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file">...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="cfc8afe9e5597c36cc9d0d338fcdc28f"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1800"]
208A
208
A
en
A. Dubstep
<div class="problem-statement"><div class="header"><div class="title">A. Dubstep</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="proper...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="1e0340166ef2bf565a16f57e4fcd653b"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Prefix- and Z-functions, suffix structures, Knuth\u2013Morris\u2013Pratt algorithm, etc"]
["strings", "*900"]
https://codeforces.com/blog/entry/4930
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="e2574fa4d2eb74b5e6aa611bdeb4790b"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
208B
208
B
en
B. Solitaire
<div class="problem-statement"><div class="header"><div class="title">B. Solitaire</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="prop...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="8f2d6d17ecae5fed5c231bac07f1fc60"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dfs and similar", "Dynamic programming"]
["dfs and similar", "dp", "*1900"]
https://codeforces.com/blog/entry/4930
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="e2574fa4d2eb74b5e6aa611bdeb4790b"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
208C
208
C
en
C. Police Station
<div class="problem-statement"><div class="header"><div class="title">C. Police Station</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class=...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="8f91372c58409cdf5f3b669002baccec"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dynamic programming", "Graphs", "Shortest paths on weighted and unweighted graphs"]
["dp", "graphs", "shortest paths", "*1900"]
https://codeforces.com/blog/entry/4930
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="e2574fa4d2eb74b5e6aa611bdeb4790b"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
208D
208
D
en
D. Prizes, Prizes, more Prizes
<div class="problem-statement"><div class="header"><div class="title">D. Prizes, Prizes, more Prizes</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="e8e0a7d2f811851fd6b9752cbffd4a5d"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Implementation problems, programming technics, simulation"]
["implementation", "*1200"]
https://codeforces.com/blog/entry/4930
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="e2574fa4d2eb74b5e6aa611bdeb4790b"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
208E
208
E
en
E. Blood Cousins
<div class="problem-statement"><div class="header"><div class="title">E. Blood Cousins</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="0516a16b6be397c8c730db27d923b821"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Binary search", "Heaps, binary search trees, segment trees, hash tables, etc", "Dfs and similar", "Trees"]
["binary search", "data structures", "dfs and similar", "trees", "*2100"]
https://codeforces.com/blog/entry/4930
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="e2574fa4d2eb74b5e6aa611bdeb4790b"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
209A
209
A
en
A. Multicolored Marbles
<div class="problem-statement"><div class="header"><div class="title">A. Multicolored Marbles</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div ...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="48dd89d2b2a5d4a78535881ee6382b07"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dynamic programming", "Mathematics including integration, differential equations, etc"]
["dp", "math", "*1600"]
209B
209
B
en
B. Pixels
<div class="problem-statement"><div class="header"><div class="title">B. Pixels</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="propert...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="3d4cde0572d9d2fc46e256da4a0be5db"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Constructive algorithms", "Mathematics including integration, differential equations, etc"]
["constructive algorithms", "math", "*2100"]
209C
209
C
en
C. Trails and Glades
<div class="problem-statement"><div class="header"><div class="title">C. Trails and Glades</div><div class="time-limit"><div class="property-title">time limit per test</div>4 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div cla...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="ee1c8dd829914feb0fe0c857dde476a3"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Constructive algorithms", "Disjoint set union", "Graphs", "Greedy algorithms"]
["constructive algorithms", "dsu", "graphs", "greedy", "*2400"]
211A
211
A
en
A. Privatization
<div class="problem-statement"><div class="header"><div class="title">A. Privatization</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5d7fe00e4de062bc6eee07ab6f00e2f9"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*3000"]
211B
211
B
en
B. Polycarpus is Looking for Good Substrings
<div class="problem-statement"><div class="header"><div class="title">B. Polycarpus is Looking for Good Substrings</div><div class="time-limit"><div class="property-title">time limit per test</div>4 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div cla...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="9a1c241c314afe093dbce45f1bede334"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2300"]
211C
211
C
en
C. Cowboys
<div class="problem-statement"><div class="header"><div class="title">C. Cowboys</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="proper...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="2a13a34b9c88475923d6dbb0c93c9c8d"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Combinatorics"]
["combinatorics", "*2100"]
211D
211
D
en
D. Cutting a Fence
<div class="problem-statement"><div class="header"><div class="title">D. Cutting a Fence</div><div class="time-limit"><div class="property-title">time limit per test</div>5 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="6dada5a83a6e6e9c20523a006259289f"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2500"]
211E
211
E
en
E. IT Restaurants
<div class="problem-statement"><div class="header"><div class="title">E. IT Restaurants</div><div class="time-limit"><div class="property-title">time limit per test</div>1.5 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div clas...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="04cde2006679e6a75819f8459a205bb9"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*1500"]
212A
212
A
en
A. Privatization
<div class="problem-statement"><div class="header"><div class="title">A. Privatization</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="f286c60579a907d3138cb1f5c01163df"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Graph network flows", "Graphs"]
["flows", "graphs", "*3000"]
212B
212
B
en
B. Polycarpus is Looking for Good Substrings
<div class="problem-statement"><div class="header"><div class="title">B. Polycarpus is Looking for Good Substrings</div><div class="time-limit"><div class="property-title">time limit per test</div>4 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div cla...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="c60c8c5e7cae2f68fbe2af2f95ac56b4"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Bitmasks", "Hashing, hashtables", "Implementation problems, programming technics, simulation"]
["bitmasks", "hashing", "implementation", "*2300"]
212C
212
C
en
C. Cowboys
<div class="problem-statement"><div class="header"><div class="title">C. Cowboys</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="proper...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="24b6b15bb5b1542ad374e1d8ba352662"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Combinatorics", "Dynamic programming", "Mathematics including integration, differential equations, etc"]
["combinatorics", "dp", "math", "*2100"]
212D
212
D
en
D. Cutting a Fence
<div class="problem-statement"><div class="header"><div class="title">D. Cutting a Fence</div><div class="time-limit"><div class="property-title">time limit per test</div>5 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="49c45647c32b17ff5e2f628fce887f4d"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Binary search", "Heaps, binary search trees, segment trees, hash tables, etc", "Disjoint set union"]
["binary search", "data structures", "dsu", "*2500"]
212E
212
E
en
E. IT Restaurants
<div class="problem-statement"><div class="header"><div class="title">E. IT Restaurants</div><div class="time-limit"><div class="property-title">time limit per test</div>1.5 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div clas...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="3a8e7994d572b0c6eeee3a26fde9e733"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dfs and similar", "Dynamic programming", "Trees"]
["dfs and similar", "dp", "trees", "*1500"]
213A
213
A
en
A. Game
<div class="problem-statement"><div class="header"><div class="title">A. Game</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="property-t...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="6176223a1eaed7c4f5e9b90923991e05"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dfs and similar", "Greedy algorithms"]
["dfs and similar", "greedy", "*1700"]
https://codeforces.com/blog/entry/4982
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="285883011121bb40b20d89f80fec0d2a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
213B
213
B
en
B. Numbers
<div class="problem-statement"><div class="header"><div class="title">B. Numbers</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="proper...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="d362cc335271b4c4eb76bd5e07411e03"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Combinatorics", "Dynamic programming"]
["combinatorics", "dp", "*1900"]
https://codeforces.com/blog/entry/4982
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="285883011121bb40b20d89f80fec0d2a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
213C
213
C
en
C. Relay Race
<div class="problem-statement"><div class="header"><div class="title">C. Relay Race</div><div class="time-limit"><div class="property-title">time limit per test</div>4 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="pro...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="ac563cf388ad5c25ed604354de56ecfc"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dynamic programming"]
["dp", "*2000"]
https://codeforces.com/blog/entry/4982
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="285883011121bb40b20d89f80fec0d2a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
213D
213
D
en
D. Stars
<div class="problem-statement"><div class="header"><div class="title">D. Stars</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="property...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="dd41ef481d038b43e5c725892ef56bf6"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Constructive algorithms", "Geometry, computational geometry"]
["constructive algorithms", "geometry", "*2300"]
https://codeforces.com/blog/entry/4982
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="285883011121bb40b20d89f80fec0d2a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
213E
213
E
en
E. Two Permutations
<div class="problem-statement"><div class="header"><div class="title">E. Two Permutations</div><div class="time-limit"><div class="property-title">time limit per test</div>3 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div clas...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="2b7effb4aabab7c6a3e085fdb07e377a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Heaps, binary search trees, segment trees, hash tables, etc", "Hashing, hashtables", "Prefix- and Z-functions, suffix structures, Knuth\u2013Morris\u2013Pratt algorithm, etc"]
["data structures", "hashing", "strings", "*2700"]
https://codeforces.com/blog/entry/4982
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="285883011121bb40b20d89f80fec0d2a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
214A
214
A
en
A. System of Equations
<div class="problem-statement"><div class="header"><div class="title">A. System of Equations</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="b8c9e07f60085ddbf946f07203ebbb24"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force"]
["brute force", "*800"]
https://codeforces.com/blog/entry/4982
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="285883011121bb40b20d89f80fec0d2a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
214B
214
B
en
B. Hometask
<div class="problem-statement"><div class="header"><div class="title">B. Hometask</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="prope...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="7662745dc27d08455aabc38bba3e63c5"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Constructive algorithms", "Greedy algorithms", "Mathematics including integration, differential equations, etc"]
["brute force", "constructive algorithms", "greedy", "math", "*1600"]
https://codeforces.com/blog/entry/4982
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="285883011121bb40b20d89f80fec0d2a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
214C
214
C
en
C. Game
<div class="problem-statement"><div class="header"><div class="title">C. Game</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="property-t...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="71c0caee7ccefc75c9411c516b372c03"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Greedy algorithms"]
["brute force", "greedy", "*1700"]
https://codeforces.com/blog/entry/4982
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="285883011121bb40b20d89f80fec0d2a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
214D
214
D
en
D. Numbers
<div class="problem-statement"><div class="header"><div class="title">D. Numbers</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="proper...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="7b38bf0f9e419e102056701f640b816e"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Combinatorics", "Dynamic programming", "Mathematics including integration, differential equations, etc"]
["combinatorics", "dp", "math", "*1900"]
https://codeforces.com/blog/entry/4982
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="285883011121bb40b20d89f80fec0d2a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
214E
214
E
en
E. Relay Race
<div class="problem-statement"><div class="header"><div class="title">E. Relay Race</div><div class="time-limit"><div class="property-title">time limit per test</div>4 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="pro...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="9be1d2565eedfc4e53bcdb2b8f44d4e5"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dynamic programming"]
["dp", "*2000"]
https://codeforces.com/blog/entry/4982
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="285883011121bb40b20d89f80fec0d2a"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
215A
215
A
en
A. Bicycle Chain
<div class="problem-statement"><div class="header"><div class="title">A. Bicycle Chain</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="803bd5113ebdf7335638a95b99fbd6a6"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Implementation problems, programming technics, simulation"]
["brute force", "implementation", "*900"]
https://codeforces.com/blog/entry/5018
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="1098bde4b4e255f2a634444ec58a9b12"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
215B
215
B
en
B. Olympic Medal
<div class="problem-statement"><div class="header"><div class="title">B. Olympic Medal</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="3d9e238ec4e132a2b597e72908f45943"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Greedy algorithms", "Mathematics including integration, differential equations, etc"]
["greedy", "math", "*1300"]
https://codeforces.com/blog/entry/5018
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="1098bde4b4e255f2a634444ec58a9b12"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
215C
215
C
en
C. Crosses
<div class="problem-statement"><div class="header"><div class="title">C. Crosses</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="proper...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="d34664c1b73f973beb811114441c7916"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Implementation problems, programming technics, simulation"]
["brute force", "implementation", "*2100"]
https://codeforces.com/blog/entry/5018
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="1098bde4b4e255f2a634444ec58a9b12"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
215D
215
D
en
D. Hot Days
<div class="problem-statement"><div class="header"><div class="title">D. Hot Days</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="prope...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="ced8fa0d567ec5779fe9f2ceb8bb409c"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Greedy algorithms"]
["greedy", "*1900"]
https://codeforces.com/blog/entry/5018
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="1098bde4b4e255f2a634444ec58a9b12"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
215E
215
E
en
E. Periodical Numbers
<div class="problem-statement"><div class="header"><div class="title">E. Periodical Numbers</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div cl...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="f91c6ead4ac437212beb357f0d5f04f9"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Combinatorics", "Dynamic programming", "Number theory: Euler function, GCD, divisibility, etc"]
["combinatorics", "dp", "number theory", "*2100"]
https://codeforces.com/blog/entry/5018
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="1098bde4b4e255f2a634444ec58a9b12"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
216A
216
A
en
A. Tiling with Hexagons
<div class="problem-statement"><div class="header"><div class="title">A. Tiling with Hexagons</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div ...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="9e31be1af6c530101d1c0ebc9f0c787b"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Implementation problems, programming technics, simulation", "Mathematics including integration, differential equations, etc"]
["implementation", "math", "*1200"]
https://codeforces.com/blog/entry/5066
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="899c80a1ab7748026d8285137ba43df4"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
216B
216
B
en
B. Forming Teams
<div class="problem-statement"><div class="header"><div class="title">B. Forming Teams</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5456d0997af3eb370a36243e6b383b85"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dfs and similar", "Implementation problems, programming technics, simulation"]
["dfs and similar", "implementation", "*1700"]
https://codeforces.com/blog/entry/5066
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="899c80a1ab7748026d8285137ba43df4"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
216C
216
C
en
C. Hiring Staff
<div class="problem-statement"><div class="header"><div class="title">C. Hiring Staff</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="p...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="bc1165144bace7a7aabbd0fd61d50ef7"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Greedy algorithms"]
["greedy", "*1800"]
https://codeforces.com/blog/entry/5066
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="899c80a1ab7748026d8285137ba43df4"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
216D
216
D
en
D. Spider's Web
<div class="problem-statement"><div class="header"><div class="title">D. Spider's Web</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="p...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff0c15a0c497095eb4afbed3bcd2682"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Binary search", "Sortings, orderings", "Two pointers"]
["binary search", "sortings", "two pointers", "*1700"]
https://codeforces.com/blog/entry/5066
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="899c80a1ab7748026d8285137ba43df4"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
216E
216
E
en
E. Martian Luck
<div class="problem-statement"><div class="header"><div class="title">E. Martian Luck</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="p...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="2c731aa0bc3f643d5e4d4c258ce6b353"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Mathematics including integration, differential equations, etc", "Number theory: Euler function, GCD, divisibility, etc"]
["math", "number theory", "*2000"]
https://codeforces.com/blog/entry/5066
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="899c80a1ab7748026d8285137ba43df4"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
217A
217
A
en
A. Ice Skating
<div class="problem-statement"><div class="header"><div class="title">A. Ice Skating</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="pr...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5fdf7a084a0a811f5441b99a789552cd"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Dfs and similar", "Disjoint set union", "Graphs"]
["brute force", "dfs and similar", "dsu", "graphs", "*1200"]
https://codeforces.com/blog/entry/5285
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff356b595b7b9a1ec9bc85de121cc52"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
217B
217
B
en
B. Blackboard Fibonacci
<div class="problem-statement"><div class="header"><div class="title">B. Blackboard Fibonacci</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="e345506a4fcd5dee787b68ace1e819f4"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Mathematics including integration, differential equations, etc"]
["brute force", "math", "*2100"]
https://codeforces.com/blog/entry/5285
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff356b595b7b9a1ec9bc85de121cc52"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
217C
217
C
en
C. Formurosa
<div class="problem-statement"><div class="header"><div class="title">C. Formurosa</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="prope...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="23815b2c9021045067e2ad076102f3b8"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Divide and Conquer", "Dynamic programming", "Parsing expression grammar"]
["divide and conquer", "dp", "expression parsing", "*2600"]
https://codeforces.com/blog/entry/5285
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff356b595b7b9a1ec9bc85de121cc52"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
217D
217
D
en
D. Bitonix' Patrol
<div class="problem-statement"><div class="header"><div class="title">D. Bitonix' Patrol</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="4b01034f1285446f96838fc6128ce19b"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Bitmasks", "Brute force", "Combinatorics", "Dfs and similar", "Mathematics including integration, differential equations, etc"]
["bitmasks", "brute force", "combinatorics", "dfs and similar", "math", "*2900"]
https://codeforces.com/blog/entry/5285
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff356b595b7b9a1ec9bc85de121cc52"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
217E
217
E
en
E. Alien DNA
<div class="problem-statement"><div class="header"><div class="title">E. Alien DNA</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="prop...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="396c07968faa0b62fb016892f8f81241"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Heaps, binary search trees, segment trees, hash tables, etc", "Disjoint set union", "Trees"]
["data structures", "dsu", "trees", "*2800"]
https://codeforces.com/blog/entry/5285
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff356b595b7b9a1ec9bc85de121cc52"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
218A
218
A
en
A. Mountain Scenery
<div class="problem-statement"><div class="header"><div class="title">A. Mountain Scenery</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div clas...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="6347a0a06db56a5fcbc4437291f0d8d2"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Brute force", "Constructive algorithms", "Implementation problems, programming technics, simulation"]
["brute force", "constructive algorithms", "implementation", "*1100"]
https://codeforces.com/blog/entry/5285
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff356b595b7b9a1ec9bc85de121cc52"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
218B
218
B
en
B. Airport
<div class="problem-statement"><div class="header"><div class="title">B. Airport</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="proper...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="690c8142fea7a99891e55e0f6e8bc7b9"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Implementation problems, programming technics, simulation"]
["implementation", "*1100"]
https://codeforces.com/blog/entry/5285
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff356b595b7b9a1ec9bc85de121cc52"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
218C
218
C
en
C. Ice Skating
<div class="problem-statement"><div class="header"><div class="title">C. Ice Skating</div><div class="time-limit"><div class="property-title">time limit per test</div>2 seconds</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="pr...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="d36a761418b796d1c9bac0708230e069"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Dfs and similar", "Disjoint set union", "Graphs"]
["dfs and similar", "dsu", "graphs", "*1200"]
https://codeforces.com/blog/entry/5285
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff356b595b7b9a1ec9bc85de121cc52"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
218D
218
D
en
D. Blackboard Fibonacci
<div class="problem-statement"><div class="header"><div class="title">D. Blackboard Fibonacci</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div c...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="0f6b141f8d67d1fa2e2b9f5e9a207ed6"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
["Implementation problems, programming technics, simulation"]
["implementation", "*2100"]
https://codeforces.com/blog/entry/5285
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff356b595b7b9a1ec9bc85de121cc52"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
218E
218
E
en
E. Formurosa
<div class="problem-statement"><div class="header"><div class="title">E. Formurosa</div><div class="time-limit"><div class="property-title">time limit per test</div>1 second</div><div class="memory-limit"><div class="property-title">memory limit per test</div>256 megabytes</div><div class="input-file"><div class="prope...
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="f4bdee0e9f8e186eb726c0025a5dce35"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...
[]
["*2600"]
https://codeforces.com/blog/entry/5285
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <html lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="X-Csrf-Token" content="5ff356b595b7b9a1ec9bc85de121cc52"/> <meta id="viewport" name="viewport" content="width=device-width, initial-scale=0.01"/> ...