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codeforces:73-F
codeforces
73-F
Plane of Tanks
https://codeforces.com/problemset/problem/73/F
[ "brute force", "geometry" ]
null
null
stdin_stdout
2,900
{ "solved_count": 192 }
2026-11-02T05:37:07.883505+00:00
codeforces:73-E
codeforces
73-E
Morrowindows
https://codeforces.com/problemset/problem/73/E
[ "math", "number theory" ]
null
null
stdin_stdout
2,400
{ "solved_count": 442 }
2026-11-02T05:37:07.883505+00:00
codeforces:73-D
codeforces
73-D
FreeDiv
https://codeforces.com/problemset/problem/73/D
[ "dfs and similar", "graphs", "greedy" ]
null
null
stdin_stdout
2,200
{ "solved_count": 792 }
2026-11-02T05:37:07.883505+00:00
codeforces:73-C
codeforces
73-C
LionAge II
https://codeforces.com/problemset/problem/73/C
[ "dp" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2545 }
2026-11-02T05:37:07.883505+00:00
codeforces:73-B
codeforces
73-B
Need For Brake
https://codeforces.com/problemset/problem/73/B
[ "binary search", "greedy", "sortings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 585 }
2026-11-02T05:37:07.883505+00:00
codeforces:73-A
codeforces
73-A
The Elder Trolls IV: Oblivon
https://codeforces.com/problemset/problem/73/A
[ "greedy", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 1679 }
2026-11-02T05:37:07.883505+00:00
codeforces:72-I
codeforces
72-I
Goofy Numbers
https://codeforces.com/problemset/problem/72/I
[ "*special", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 494 }
2026-11-02T05:37:07.883505+00:00
codeforces:72-H
codeforces
72-H
Reverse It!
https://codeforces.com/problemset/problem/72/H
[ "*special", "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 290 }
2026-11-02T05:37:07.883505+00:00
codeforces:72-G
codeforces
72-G
Fibonacci army
https://codeforces.com/problemset/problem/72/G
[ "*special", "dp" ]
null
null
stdin_stdout
1,000
{ "solved_count": 3047 }
2026-11-02T05:37:07.883505+00:00
codeforces:72-F
codeforces
72-F
Oil
https://codeforces.com/problemset/problem/72/F
[ "*special", "greedy", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 153 }
2026-11-02T05:37:07.883505+00:00
codeforces:72-E
codeforces
72-E
Ali goes shopping
https://codeforces.com/problemset/problem/72/E
[ "*special", "brute force", "strings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 184 }
2026-11-02T05:37:07.883505+00:00
codeforces:72-D
codeforces
72-D
Perse-script
https://codeforces.com/problemset/problem/72/D
[ "*special", "expression parsing" ]
null
null
stdin_stdout
2,300
{ "solved_count": 84 }
2026-11-02T05:37:07.883505+00:00
codeforces:72-C
codeforces
72-C
Extraordinarily Nice Numbers
https://codeforces.com/problemset/problem/72/C
[ "*special", "math" ]
null
null
stdin_stdout
1,200
{ "solved_count": 1076 }
2026-11-02T05:37:07.883505+00:00
codeforces:72-B
codeforces
72-B
INI-file
https://codeforces.com/problemset/problem/72/B
[ "*special", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 118 }
2026-11-02T05:37:07.883505+00:00
codeforces:72-A
codeforces
72-A
Goshtasp, Vishtasp and Eidi
https://codeforces.com/problemset/problem/72/A
[ "*special", "greedy", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 203 }
2026-11-02T05:37:07.883505+00:00
codeforces:71-E
codeforces
71-E
Nuclear Fusion
https://codeforces.com/problemset/problem/71/E
[ "bitmasks", "dp" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1017 }
2026-11-02T05:37:07.883505+00:00
codeforces:71-D
codeforces
71-D
Solitaire
https://codeforces.com/problemset/problem/71/D
[ "brute force", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 823 }
2026-11-02T05:37:07.883505+00:00
codeforces:71-C
codeforces
71-C
Round Table Knights
https://codeforces.com/problemset/problem/71/C
[ "dp", "math", "number theory" ]
null
null
stdin_stdout
1,600
{ "solved_count": 7544 }
2026-11-02T05:37:07.883505+00:00
codeforces:71-B
codeforces
71-B
Progress Bar
https://codeforces.com/problemset/problem/71/B
[ "implementation", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 5529 }
2026-11-02T05:37:07.883505+00:00
codeforces:71-A
codeforces
71-A
Way Too Long Words
https://codeforces.com/problemset/problem/71/A
[ "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 543643 }
2026-11-02T05:37:07.883505+00:00
codeforces:70-E
codeforces
70-E
Information Reform
https://codeforces.com/problemset/problem/70/E
[ "dp", "implementation", "trees" ]
null
null
stdin_stdout
2,700
{ "solved_count": 633 }
2026-11-02T05:37:07.883505+00:00
codeforces:70-D
codeforces
70-D
Professor's task
https://codeforces.com/problemset/problem/70/D
[ "data structures", "geometry" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1187 }
2026-11-02T05:37:07.883505+00:00
codeforces:70-C
codeforces
70-C
Lucky Tickets
https://codeforces.com/problemset/problem/70/C
[ "binary search", "data structures", "sortings", "two pointers" ]
null
null
stdin_stdout
2,200
{ "solved_count": 666 }
2026-11-02T05:37:07.883505+00:00
codeforces:70-B
codeforces
70-B
Text Messaging
https://codeforces.com/problemset/problem/70/B
[ "expression parsing", "greedy", "strings" ]
null
null
stdin_stdout
1,600
{ "solved_count": 2158 }
2026-11-02T05:37:07.883505+00:00
codeforces:70-A
codeforces
70-A
Cookies
https://codeforces.com/problemset/problem/70/A
[ "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 3636 }
2026-11-02T05:37:07.883505+00:00
codeforces:69-E
codeforces
69-E
Subsegments
https://codeforces.com/problemset/problem/69/E
[ "data structures", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 5307 }
2026-11-02T05:37:07.883505+00:00
codeforces:69-D
codeforces
69-D
Dot
https://codeforces.com/problemset/problem/69/D
[ "dp", "games" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1177 }
2026-11-02T05:37:07.883505+00:00
codeforces:69-C
codeforces
69-C
Game
https://codeforces.com/problemset/problem/69/C
[ "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 723 }
2026-11-02T05:37:07.883505+00:00
codeforces:69-B
codeforces
69-B
Bets
https://codeforces.com/problemset/problem/69/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 3704 }
2026-11-02T05:37:07.883505+00:00
codeforces:69-A
codeforces
69-A
Young Physicist
https://codeforces.com/problemset/problem/69/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,000
{ "solved_count": 213376 }
2026-11-02T05:37:07.883505+00:00
codeforces:68-E
codeforces
68-E
Contact
https://codeforces.com/problemset/problem/68/E
[ "geometry" ]
null
null
stdin_stdout
2,900
{ "solved_count": 88 }
2026-11-02T05:37:07.883505+00:00
codeforces:68-D
codeforces
68-D
Half-decay tree
https://codeforces.com/problemset/problem/68/D
[ "data structures", "divide and conquer", "dp", "math", "probabilities" ]
null
null
stdin_stdout
2,500
{ "solved_count": 542 }
2026-11-02T05:37:07.883505+00:00
codeforces:68-C
codeforces
68-C
Synchrophasotron
https://codeforces.com/problemset/problem/68/C
[ "brute force" ]
null
null
stdin_stdout
2,200
{ "solved_count": 399 }
2026-11-02T05:37:07.883505+00:00
codeforces:68-B
codeforces
68-B
Energy exchange
https://codeforces.com/problemset/problem/68/B
[ "binary search" ]
null
null
stdin_stdout
1,600
{ "solved_count": 5895 }
2026-11-02T05:37:07.883505+00:00
codeforces:68-A
codeforces
68-A
Irrational problem
https://codeforces.com/problemset/problem/68/A
[ "implementation", "number theory" ]
null
null
stdin_stdout
1,100
{ "solved_count": 5464 }
2026-11-02T05:37:07.883505+00:00
codeforces:67-E
codeforces
67-E
Save the City!
https://codeforces.com/problemset/problem/67/E
[ "geometry" ]
null
null
stdin_stdout
2,500
{ "solved_count": 447 }
2026-11-02T05:37:07.883505+00:00
codeforces:67-D
codeforces
67-D
Optical Experiment
https://codeforces.com/problemset/problem/67/D
[ "binary search", "data structures", "dp" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1825 }
2026-11-02T05:37:07.883505+00:00
codeforces:67-C
codeforces
67-C
Sequence of Balls
https://codeforces.com/problemset/problem/67/C
[ "dp" ]
null
null
stdin_stdout
2,600
{ "solved_count": 793 }
2026-11-02T05:37:07.883505+00:00
codeforces:67-B
codeforces
67-B
Restoration of the Permutation
https://codeforces.com/problemset/problem/67/B
[ "greedy" ]
null
null
stdin_stdout
1,800
{ "solved_count": 964 }
2026-11-02T05:37:07.883505+00:00
codeforces:67-A
codeforces
67-A
Partial Teacher
https://codeforces.com/problemset/problem/67/A
[ "dp", "graphs", "greedy", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2589 }
2026-11-02T05:37:07.883505+00:00
codeforces:66-E
codeforces
66-E
Petya and Post
https://codeforces.com/problemset/problem/66/E
[ "data structures", "dp" ]
null
null
stdin_stdout
2,000
{ "solved_count": 986 }
2026-11-02T05:37:07.883505+00:00
codeforces:66-D
codeforces
66-D
Petya and His Friends
https://codeforces.com/problemset/problem/66/D
[ "constructive algorithms", "math", "number theory" ]
null
null
stdin_stdout
1,700
{ "solved_count": 3815 }
2026-11-02T05:37:07.883505+00:00
codeforces:66-C
codeforces
66-C
Petya and File System
https://codeforces.com/problemset/problem/66/C
[ "data structures", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1202 }
2026-11-02T05:37:07.883505+00:00
codeforces:66-B
codeforces
66-B
Petya and Countryside
https://codeforces.com/problemset/problem/66/B
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 23595 }
2026-11-02T05:37:07.883505+00:00
codeforces:66-A
codeforces
66-A
Petya and Java
https://codeforces.com/problemset/problem/66/A
[ "implementation", "strings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 7238 }
2026-11-02T05:37:07.883505+00:00
codeforces:65-E
codeforces
65-E
Harry Potter and Moving Staircases
https://codeforces.com/problemset/problem/65/E
[ "dfs and similar", "implementation" ]
null
null
stdin_stdout
2,900
{ "solved_count": 111 }
2026-11-02T05:37:07.883505+00:00
codeforces:65-D
codeforces
65-D
Harry Potter and the Sorting Hat
https://codeforces.com/problemset/problem/65/D
[ "brute force", "dfs and similar", "hashing" ]
null
null
stdin_stdout
2,200
{ "solved_count": 515 }
2026-11-02T05:37:07.883505+00:00
codeforces:65-C
codeforces
65-C
Harry Potter and the Golden Snitch
https://codeforces.com/problemset/problem/65/C
[ "binary search", "geometry" ]
null
null
stdin_stdout
2,100
{ "solved_count": 901 }
2026-11-02T05:37:07.883505+00:00
codeforces:65-B
codeforces
65-B
Harry Potter and the History of Magic
https://codeforces.com/problemset/problem/65/B
[ "brute force", "greedy", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1584 }
2026-11-02T05:37:07.883505+00:00
codeforces:65-A
codeforces
65-A
Harry Potter and Three Spells
https://codeforces.com/problemset/problem/65/A
[ "implementation", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2067 }
2026-11-02T05:37:07.883505+00:00
codeforces:64-I
codeforces
64-I
Sort the Table
https://codeforces.com/problemset/problem/64/I
[ "*special", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 95 }
2026-11-02T05:37:07.883505+00:00
codeforces:64-H
codeforces
64-H
Table Bowling
https://codeforces.com/problemset/problem/64/H
[ "*special", "sortings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 123 }
2026-11-02T05:37:07.883505+00:00
codeforces:64-G
codeforces
64-G
Path Canonization
https://codeforces.com/problemset/problem/64/G
[ "*special" ]
null
null
stdin_stdout
2,200
{ "solved_count": 131 }
2026-11-02T05:37:07.883505+00:00
codeforces:64-F
codeforces
64-F
Domain
https://codeforces.com/problemset/problem/64/F
[ "*special", "expression parsing" ]
null
null
stdin_stdout
2,000
{ "solved_count": 197 }
2026-11-02T05:37:07.883505+00:00
codeforces:64-E
codeforces
64-E
Prime Segment
https://codeforces.com/problemset/problem/64/E
[ "*special", "brute force", "math", "number theory" ]
null
null
stdin_stdout
1,800
{ "solved_count": 302 }
2026-11-02T05:37:07.883505+00:00
codeforces:64-D
codeforces
64-D
Presents
https://codeforces.com/problemset/problem/64/D
[ "*special", "greedy" ]
null
null
stdin_stdout
1,800
{ "solved_count": 303 }
2026-11-02T05:37:07.883505+00:00
codeforces:64-C
codeforces
64-C
Table
https://codeforces.com/problemset/problem/64/C
[ "*special", "greedy", "implementation", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 362 }
2026-11-02T05:37:07.883505+00:00
codeforces:64-B
codeforces
64-B
Expression
https://codeforces.com/problemset/problem/64/B
[ "*special", "expression parsing" ]
null
null
stdin_stdout
1,500
{ "solved_count": 1061 }
2026-11-02T05:37:07.883505+00:00
codeforces:64-A
codeforces
64-A
Factorial
https://codeforces.com/problemset/problem/64/A
[ "*special", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 4512 }
2026-11-02T05:37:07.883505+00:00
codeforces:63-E
codeforces
63-E
Sweets Game
https://codeforces.com/problemset/problem/63/E
[ "bitmasks", "dfs and similar", "dp", "games", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 909 }
2026-11-02T05:37:07.883505+00:00
codeforces:63-D
codeforces
63-D
Dividing Island
https://codeforces.com/problemset/problem/63/D
[ "constructive algorithms" ]
null
null
stdin_stdout
1,900
{ "solved_count": 1470 }
2026-11-02T05:37:07.883505+00:00
codeforces:63-C
codeforces
63-C
Bulls and Cows
https://codeforces.com/problemset/problem/63/C
[ "brute force", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 2045 }
2026-11-02T05:37:07.883505+00:00
codeforces:63-B
codeforces
63-B
Settlers' Training
https://codeforces.com/problemset/problem/63/B
[ "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 5293 }
2026-11-02T05:37:07.883505+00:00
codeforces:63-A
codeforces
63-A
Sinking Ship
https://codeforces.com/problemset/problem/63/A
[ "implementation", "sortings", "strings" ]
null
null
stdin_stdout
900
{ "solved_count": 13931 }
2026-11-02T05:37:07.883505+00:00
codeforces:62-E
codeforces
62-E
World Evil
https://codeforces.com/problemset/problem/62/E
[ "dp", "flows" ]
null
null
stdin_stdout
2,700
{ "solved_count": 343 }
2026-11-02T05:37:07.883505+00:00
codeforces:62-D
codeforces
62-D
Wormhouse
https://codeforces.com/problemset/problem/62/D
[ "dfs and similar", "graphs" ]
null
null
stdin_stdout
2,300
{ "solved_count": 478 }
2026-11-02T05:37:07.883505+00:00
codeforces:62-C
codeforces
62-C
Inquisition
https://codeforces.com/problemset/problem/62/C
[ "geometry", "implementation", "sortings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 367 }
2026-11-02T05:37:07.883505+00:00
codeforces:62-B
codeforces
62-B
Tyndex.Brome
https://codeforces.com/problemset/problem/62/B
[ "binary search", "implementation" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1430 }
2026-11-02T05:37:07.883505+00:00
codeforces:62-A
codeforces
62-A
A Student's Dream
https://codeforces.com/problemset/problem/62/A
[ "greedy", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 3903 }
2026-11-02T05:37:07.883505+00:00
codeforces:61-E
codeforces
61-E
Enemy is weak
https://codeforces.com/problemset/problem/61/E
[ "data structures", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 16922 }
2026-11-02T05:37:07.883505+00:00
codeforces:61-D
codeforces
61-D
Eternal Victory
https://codeforces.com/problemset/problem/61/D
[ "dfs and similar", "graphs", "greedy", "shortest paths", "trees" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7964 }
2026-11-02T05:37:07.883505+00:00
codeforces:61-C
codeforces
61-C
Capture Valerian
https://codeforces.com/problemset/problem/61/C
[ "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 1016 }
2026-11-02T05:37:07.883505+00:00
codeforces:61-B
codeforces
61-B
Hard Work
https://codeforces.com/problemset/problem/61/B
[ "strings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 4363 }
2026-11-02T05:37:07.883505+00:00
codeforces:61-A
codeforces
61-A
Ultra-Fast Mathematician
https://codeforces.com/problemset/problem/61/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 143668 }
2026-11-02T05:37:07.883505+00:00
codeforces:60-E
codeforces
60-E
Mushroom Gnomes
https://codeforces.com/problemset/problem/60/E
[ "math", "matrices" ]
null
null
stdin_stdout
2,600
{ "solved_count": 535 }
2026-11-02T05:37:07.883505+00:00
codeforces:60-D
codeforces
60-D
Savior
https://codeforces.com/problemset/problem/60/D
[ "brute force", "dsu", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 598 }
2026-11-02T05:37:07.883505+00:00
codeforces:60-C
codeforces
60-C
Mushroom Strife
https://codeforces.com/problemset/problem/60/C
[ "brute force", "dfs and similar" ]
null
null
stdin_stdout
2,100
{ "solved_count": 731 }
2026-11-02T05:37:07.883505+00:00
codeforces:60-B
codeforces
60-B
Serial Time!
https://codeforces.com/problemset/problem/60/B
[ "dfs and similar", "dsu" ]
null
null
stdin_stdout
1,400
{ "solved_count": 5422 }
2026-11-02T05:37:07.883505+00:00
codeforces:60-A
codeforces
60-A
Where Are My Flakes?
https://codeforces.com/problemset/problem/60/A
[ "implementation", "two pointers" ]
null
null
stdin_stdout
1,300
{ "solved_count": 4470 }
2026-11-02T05:37:07.883505+00:00
codeforces:59-E
codeforces
59-E
Shortest Path
https://codeforces.com/problemset/problem/59/E
[ "graphs", "shortest paths" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5411 }
2026-11-02T05:37:07.883505+00:00
codeforces:59-D
codeforces
59-D
Team Arrangement
https://codeforces.com/problemset/problem/59/D
[ "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 793 }
2026-11-02T05:37:07.883505+00:00
codeforces:59-C
codeforces
59-C
Title
https://codeforces.com/problemset/problem/59/C
[ "expression parsing" ]
null
null
stdin_stdout
1,600
{ "solved_count": 2509 }
2026-11-02T05:37:07.883505+00:00
codeforces:59-B
codeforces
59-B
Fortune Telling
https://codeforces.com/problemset/problem/59/B
[ "implementation", "number theory" ]
null
null
stdin_stdout
1,200
{ "solved_count": 8231 }
2026-11-02T05:37:07.883505+00:00
codeforces:59-A
codeforces
59-A
Word
https://codeforces.com/problemset/problem/59/A
[ "implementation", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 245212 }
2026-11-02T05:37:07.883505+00:00
codeforces:58-E
codeforces
58-E
Expression
https://codeforces.com/problemset/problem/58/E
[ "dp" ]
null
null
stdin_stdout
2,400
{ "solved_count": 487 }
2026-11-02T05:37:07.883505+00:00
codeforces:58-D
codeforces
58-D
Calendar
https://codeforces.com/problemset/problem/58/D
[ "greedy", "strings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 883 }
2026-11-02T05:37:07.883505+00:00
codeforces:58-C
codeforces
58-C
Trees
https://codeforces.com/problemset/problem/58/C
[ "brute force" ]
null
null
stdin_stdout
1,800
{ "solved_count": 2324 }
2026-11-02T05:37:07.883505+00:00
codeforces:58-B
codeforces
58-B
Coins
https://codeforces.com/problemset/problem/58/B
[ "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 13528 }
2026-11-02T05:37:07.883505+00:00
codeforces:58-A
codeforces
58-A
Chat room
https://codeforces.com/problemset/problem/58/A
[ "greedy", "strings" ]
null
null
stdin_stdout
1,000
{ "solved_count": 163992 }
2026-11-02T05:37:07.883505+00:00
codeforces:57-E
codeforces
57-E
Chess
https://codeforces.com/problemset/problem/57/E
[ "math", "shortest paths" ]
null
null
stdin_stdout
3,000
{ "solved_count": 404 }
2026-11-02T05:37:07.883505+00:00
codeforces:57-D
codeforces
57-D
Journey
https://codeforces.com/problemset/problem/57/D
[ "dp", "math" ]
null
null
stdin_stdout
2,500
{ "solved_count": 372 }
2026-11-02T05:37:07.883505+00:00
codeforces:57-C
codeforces
57-C
Array
https://codeforces.com/problemset/problem/57/C
[ "combinatorics", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4532 }
2026-11-02T05:37:07.883505+00:00
codeforces:57-B
codeforces
57-B
Martian Architecture
https://codeforces.com/problemset/problem/57/B
[ "implementation" ]
null
null
stdin_stdout
1,600
{ "solved_count": 1195 }
2026-11-02T05:37:07.883505+00:00
codeforces:57-A
codeforces
57-A
Square Earth?
https://codeforces.com/problemset/problem/57/A
[ "dfs and similar", "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 3364 }
2026-11-02T05:37:07.883505+00:00
codeforces:56-E
codeforces
56-E
Domino Principle
https://codeforces.com/problemset/problem/56/E
[ "binary search", "data structures", "sortings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2992 }
2026-11-02T05:37:07.883505+00:00
codeforces:56-D
codeforces
56-D
Changing a String
https://codeforces.com/problemset/problem/56/D
[ "dp" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2239 }
2026-11-02T05:37:07.883505+00:00
codeforces:56-C
codeforces
56-C
Corporation Mail
https://codeforces.com/problemset/problem/56/C
[ "data structures", "expression parsing", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 1333 }
2026-11-02T05:37:07.883505+00:00
codeforces:56-B
codeforces
56-B
Spoilt Permutation
https://codeforces.com/problemset/problem/56/B
[ "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 4123 }
2026-11-02T05:37:07.883505+00:00
codeforces:56-A
codeforces
56-A
Bar
https://codeforces.com/problemset/problem/56/A
[ "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 9903 }
2026-11-02T05:37:07.883505+00:00
codeforces:55-E
codeforces
55-E
Very simple problem
https://codeforces.com/problemset/problem/55/E
[ "geometry", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 915 }
2026-11-02T05:37:07.883505+00:00