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Provide tags and a correct Python 3 solution for this coding contest problem. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecutive pictures (with kittens, of course). Vova li...
instruction
0
44,633
14
89,266
Tags: dp Correct Solution: ``` # -*- coding: utf-8 -*- import sys def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)] def list4d(a, b, c, d, e): return [[[[e] * d for j in range(c)] for ...
output
1
44,633
14
89,267
Provide tags and a correct Python 3 solution for this coding contest problem. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecutive pictures (with kittens, of course). Vova li...
instruction
0
44,634
14
89,268
Tags: dp Correct Solution: ``` N,K,X = map(int,input().split()) arr = [0] + [int(i) for i in input().split()] dp = [[float('-inf') for _ in range(X+1)] for _ in range(N+1)] dp[0][X] = 0 for i in range(1,N+1): for x in range(X): for p in range(1,K+1): if i - p < 0: break ...
output
1
44,634
14
89,269
Provide tags and a correct Python 3 solution for this coding contest problem. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecutive pictures (with kittens, of course). Vova li...
instruction
0
44,635
14
89,270
Tags: dp Correct Solution: ``` # -*- coding: utf-8 -*- import sys def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)] def list4d(a, b, c, d, e): return [[[[e] * d for j in range(c)] for ...
output
1
44,635
14
89,271
Provide tags and a correct Python 3 solution for this coding contest problem. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecutive pictures (with kittens, of course). Vova li...
instruction
0
44,636
14
89,272
Tags: dp Correct Solution: ``` from functools import lru_cache n, k, x = map(int, input().split()) arr = list(map(int, input().split())) @lru_cache(maxsize=50000) def dp(i,y): if i>=0 and i<k and y==0: return 0 elif i < 0 or y<= 0: return -1000000000001 return max(dp(i-delta-1, y-1) + arr...
output
1
44,636
14
89,273
Evaluate the correctness of the submitted Python 2 solution to the coding contest problem. Provide a "Yes" or "No" response. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecut...
instruction
0
44,637
14
89,274
Yes
output
1
44,637
14
89,275
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecut...
instruction
0
44,638
14
89,276
Yes
output
1
44,638
14
89,277
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecut...
instruction
0
44,639
14
89,278
Yes
output
1
44,639
14
89,279
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecut...
instruction
0
44,640
14
89,280
Yes
output
1
44,640
14
89,281
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecut...
instruction
0
44,641
14
89,282
Yes
output
1
44,641
14
89,283
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecut...
instruction
0
44,642
14
89,284
No
output
1
44,642
14
89,285
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecut...
instruction
0
44,643
14
89,286
No
output
1
44,643
14
89,287
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecut...
instruction
0
44,644
14
89,288
No
output
1
44,644
14
89,289
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. The only difference between easy and hard versions is the constraints. Vova likes pictures with kittens. The news feed in the social network he uses can be represented as an array of n consecut...
instruction
0
44,645
14
89,290
No
output
1
44,645
14
89,291
Provide tags and a correct Python 3 solution for this coding contest problem. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receives the news from some source. Then he or she sen...
instruction
0
44,652
14
89,304
Tags: dfs and similar, dsu, graphs Correct Solution: ``` import sys; input = sys.stdin.readline class Node: def __init__(self, val): self.parent = self self.size = 1 def union(x, y): xRoot, yRoot = find(x), find(y) if xRoot == yRoot: return if xRoot.size >= yRoot.size: ...
output
1
44,652
14
89,305
Provide tags and a correct Python 3 solution for this coding contest problem. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receives the news from some source. Then he or she sen...
instruction
0
44,653
14
89,306
Tags: dfs and similar, dsu, graphs Correct Solution: ``` import sys input = sys.stdin.readline n,m = map(int,input().split()) A = list(range(n+1)) def find(x): while A[x] != x: A[x] = A[A[x]] x = A[x] return x for _ in range(m): line = input().split()[1:] if line: V = [int(...
output
1
44,653
14
89,307
Provide tags and a correct Python 3 solution for this coding contest problem. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receives the news from some source. Then he or she sen...
instruction
0
44,654
14
89,308
Tags: dfs and similar, dsu, graphs Correct Solution: ``` # link: https://codeforces.com/problemset/problem/1167/C import sys if __name__ == "__main__": yash = sys.stdin.readline n,m = map(int, yash().split()) vertex_info = {node_id:[] for node_id in range(1, n+1)} visited = [0 for i in range(n+1)] ...
output
1
44,654
14
89,309
Provide tags and a correct Python 3 solution for this coding contest problem. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receives the news from some source. Then he or she sen...
instruction
0
44,655
14
89,310
Tags: dfs and similar, dsu, graphs Correct Solution: ``` import sys,bisect from sys import stdin,stdout def li(): return list(map(int,stdin.readline().split())) def mp(): return map(int,stdin.readline().split()) def solve(): n,m=mp() d={i:[] for i in range(1,n+1)} for _ in range(m): ...
output
1
44,655
14
89,311
Provide tags and a correct Python 3 solution for this coding contest problem. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receives the news from some source. Then he or she sen...
instruction
0
44,656
14
89,312
Tags: dfs and similar, dsu, graphs Correct Solution: ``` from sys import stdin from sys import stdout def find(u): if parent[u] == u: return u parent[u] = find(parent[u]) return parent[u] n, m = map(int, stdin.readline().split()) parent = [i for i in range(n+1)] ans = [0 for i in range(1+n)] for i...
output
1
44,656
14
89,313
Provide tags and a correct Python 3 solution for this coding contest problem. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receives the news from some source. Then he or she sen...
instruction
0
44,657
14
89,314
Tags: dfs and similar, dsu, graphs Correct Solution: ``` """ Author - Satwik Tiwari . 4th Dec , 2020 - Friday """ #=============================================================================================== #importing some useful libraries. from __future__ import division, print_function from fractions i...
output
1
44,657
14
89,315
Provide tags and a correct Python 3 solution for this coding contest problem. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receives the news from some source. Then he or she sen...
instruction
0
44,658
14
89,316
Tags: dfs and similar, dsu, graphs Correct Solution: ``` import sys class UF(): def __init__(self, num): self.par = [-1]*num self.size = [1]*num def find(self, x): if self.par[x] < 0: return x else: x = self.par[x] return self.find(x) ...
output
1
44,658
14
89,317
Provide tags and a correct Python 3 solution for this coding contest problem. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receives the news from some source. Then he or she sen...
instruction
0
44,659
14
89,318
Tags: dfs and similar, dsu, graphs Correct Solution: ``` from sys import stdin,stdout input = stdin.readline def main(): n, m = map(int,input().split()) sets = list(range(n+1)) sizes = [1]*(n+1) def get(a): if sets[a] != a: sets[a] = get(sets[a]) return sets[a] def unio...
output
1
44,659
14
89,319
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receive...
instruction
0
44,660
14
89,320
Yes
output
1
44,660
14
89,321
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receive...
instruction
0
44,661
14
89,322
Yes
output
1
44,661
14
89,323
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receive...
instruction
0
44,662
14
89,324
Yes
output
1
44,662
14
89,325
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receive...
instruction
0
44,663
14
89,326
Yes
output
1
44,663
14
89,327
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receive...
instruction
0
44,664
14
89,328
No
output
1
44,664
14
89,329
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receive...
instruction
0
44,665
14
89,330
No
output
1
44,665
14
89,331
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receive...
instruction
0
44,666
14
89,332
No
output
1
44,666
14
89,333
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In some social network, there are n users communicating with each other in m groups of friends. Let's analyze the process of distributing some news between users. Initially, some user x receive...
instruction
0
44,667
14
89,334
No
output
1
44,667
14
89,335
Provide tags and a correct Python 3 solution for this coding contest problem. A penguin Rocher has n sticks. He has exactly one stick with length i for all 1 ≀ i ≀ n. He can connect some sticks. If he connects two sticks that have lengths a and b, he gets one stick with length a + b. Two sticks, that were used in the...
instruction
0
44,756
14
89,512
Tags: math Correct Solution: ``` def f(n): if n & 1: return n // 2 + 1 return n // 2 t = int(input()) for _ in range(t): n = int(input()) print(f(n)) ```
output
1
44,756
14
89,513
Provide tags and a correct Python 3 solution for this coding contest problem. A penguin Rocher has n sticks. He has exactly one stick with length i for all 1 ≀ i ≀ n. He can connect some sticks. If he connects two sticks that have lengths a and b, he gets one stick with length a + b. Two sticks, that were used in the...
instruction
0
44,757
14
89,514
Tags: math Correct Solution: ``` for _ in range(int(input())): n = int(input()) print((n+1)//2) ```
output
1
44,757
14
89,515
Provide tags and a correct Python 3 solution for this coding contest problem. A penguin Rocher has n sticks. He has exactly one stick with length i for all 1 ≀ i ≀ n. He can connect some sticks. If he connects two sticks that have lengths a and b, he gets one stick with length a + b. Two sticks, that were used in the...
instruction
0
44,758
14
89,516
Tags: math Correct Solution: ``` import math t=int(input()) for i in range(t): a=int(input()) print(math.ceil(a/2)) ```
output
1
44,758
14
89,517
Provide tags and a correct Python 3 solution for this coding contest problem. A penguin Rocher has n sticks. He has exactly one stick with length i for all 1 ≀ i ≀ n. He can connect some sticks. If he connects two sticks that have lengths a and b, he gets one stick with length a + b. Two sticks, that were used in the...
instruction
0
44,759
14
89,518
Tags: math Correct Solution: ``` import math n = int(input()) for x in range(1,n+1): a = int(input()) if a%2 == 0: print(int(a/2)) else: print(math.ceil(a/2)) ```
output
1
44,759
14
89,519
Provide tags and a correct Python 3 solution for this coding contest problem. A penguin Rocher has n sticks. He has exactly one stick with length i for all 1 ≀ i ≀ n. He can connect some sticks. If he connects two sticks that have lengths a and b, he gets one stick with length a + b. Two sticks, that were used in the...
instruction
0
44,760
14
89,520
Tags: math Correct Solution: ``` t = int(input()) for hatt in range(t): n = int(input()) print((n+1)//2) ```
output
1
44,760
14
89,521
Provide tags and a correct Python 3 solution for this coding contest problem. A penguin Rocher has n sticks. He has exactly one stick with length i for all 1 ≀ i ≀ n. He can connect some sticks. If he connects two sticks that have lengths a and b, he gets one stick with length a + b. Two sticks, that were used in the...
instruction
0
44,761
14
89,522
Tags: math Correct Solution: ``` for _ in range(int(input())): a=int(input()) if a%2==0: print(a//2) else: print(a//2+1) ```
output
1
44,761
14
89,523
Provide tags and a correct Python 3 solution for this coding contest problem. A penguin Rocher has n sticks. He has exactly one stick with length i for all 1 ≀ i ≀ n. He can connect some sticks. If he connects two sticks that have lengths a and b, he gets one stick with length a + b. Two sticks, that were used in the...
instruction
0
44,762
14
89,524
Tags: math Correct Solution: ``` for i in range(int(input())): n = int(input()) if n%2 ==0: print(n//2) else: a = n//2 print(a+1) ```
output
1
44,762
14
89,525
Provide tags and a correct Python 3 solution for this coding contest problem. A penguin Rocher has n sticks. He has exactly one stick with length i for all 1 ≀ i ≀ n. He can connect some sticks. If he connects two sticks that have lengths a and b, he gets one stick with length a + b. Two sticks, that were used in the...
instruction
0
44,763
14
89,526
Tags: math Correct Solution: ``` import math t= int(input()) ans=[] for i in range(t): n= int(input()) ans.append(math.ceil(n/2)) for i in ans : print(i) ```
output
1
44,763
14
89,527
Provide tags and a correct Python 3 solution for this coding contest problem. Eugeny loves listening to music. He has n songs in his play list. We know that song number i has the duration of ti minutes. Eugeny listens to each song, perhaps more than once. He listens to song number i ci times. Eugeny's play list is org...
instruction
0
44,879
14
89,758
Tags: binary search, implementation, two pointers Correct Solution: ``` from sys import stdin,stdout n,m = map(int,stdin.readline().split()) ts = [] ts.append(0) for i in range(n): j,k = map(int,stdin.readline().split()) ts.append(ts[i] + (j*k)) i = 0 j = 1 V = list(map(int,stdin.readline().split())) for v ...
output
1
44,879
14
89,759
Provide tags and a correct Python 3 solution for this coding contest problem. Eugeny loves listening to music. He has n songs in his play list. We know that song number i has the duration of ti minutes. Eugeny listens to each song, perhaps more than once. He listens to song number i ci times. Eugeny's play list is org...
instruction
0
44,880
14
89,760
Tags: binary search, implementation, two pointers Correct Solution: ``` string = input().split() numList = list(map(int, string)) n = numList[0] m = numList[1] count = 0 moments = [] last = 0 for i in range(n): music = list(map(int, input().split())) moments.append(count + music[0]*music[1]) count = count +...
output
1
44,880
14
89,761
Provide tags and a correct Python 3 solution for this coding contest problem. Eugeny loves listening to music. He has n songs in his play list. We know that song number i has the duration of ti minutes. Eugeny listens to each song, perhaps more than once. He listens to song number i ci times. Eugeny's play list is org...
instruction
0
44,881
14
89,762
Tags: binary search, implementation, two pointers Correct Solution: ``` import operator as op import itertools as it import bisect as bs n, m = map(int, input().split()) a = list(it.accumulate([op.mul(*map(int, input().split())) for _ in range(n)])) ans = [] for t in map(int, input().split()): ans.append(str(bs....
output
1
44,881
14
89,763
Provide tags and a correct Python 3 solution for this coding contest problem. Eugeny loves listening to music. He has n songs in his play list. We know that song number i has the duration of ti minutes. Eugeny listens to each song, perhaps more than once. He listens to song number i ci times. Eugeny's play list is org...
instruction
0
44,882
14
89,764
Tags: binary search, implementation, two pointers Correct Solution: ``` n, m = [int(p) for p in input().split()] sm = [] for i in range(n): c, t = [int(p) for p in input().split()] if not sm: sm.append(c*t) else: sm.append(sm[-1] + c*t) time = [int(p) for p in input().split()] i = 0 j = 0 wh...
output
1
44,882
14
89,765
Provide tags and a correct Python 3 solution for this coding contest problem. Eugeny loves listening to music. He has n songs in his play list. We know that song number i has the duration of ti minutes. Eugeny listens to each song, perhaps more than once. He listens to song number i ci times. Eugeny's play list is org...
instruction
0
44,883
14
89,766
Tags: binary search, implementation, two pointers Correct Solution: ``` # maa chudaaye duniya n,m=map(int,input().split()) arr=[0] k, l = 0, 0 for i in range(n): c,t=map(int,input().split()) arr.append(arr[i] + c*t) ara = list(map(int, input().split())) for j in range(m): while ara[j] > arr[l]: l += 1 ...
output
1
44,883
14
89,767
Provide tags and a correct Python 3 solution for this coding contest problem. Eugeny loves listening to music. He has n songs in his play list. We know that song number i has the duration of ti minutes. Eugeny listens to each song, perhaps more than once. He listens to song number i ci times. Eugeny's play list is org...
instruction
0
44,884
14
89,768
Tags: binary search, implementation, two pointers Correct Solution: ``` n, m = map(int, input().split()) arr = [] for i in range(n): c, t = map(int, input().split()) arr.append(c * t) i, p = 0, 0 v = [int(x) for x in input().split()] for j in v: while (p < j): p, i = p+arr[i], i+1 print(i) ```
output
1
44,884
14
89,769
Provide tags and a correct Python 3 solution for this coding contest problem. Eugeny loves listening to music. He has n songs in his play list. We know that song number i has the duration of ti minutes. Eugeny listens to each song, perhaps more than once. He listens to song number i ci times. Eugeny's play list is org...
instruction
0
44,885
14
89,770
Tags: binary search, implementation, two pointers Correct Solution: ``` n, m = map(int, input().split()) track = [] for i in range(n): c, t = map(int, input().split()) track.append (c * t) moment = [int(i) for i in input().split()] i, j = 0, 0 s = 0 while i < n and j < m: if moment[j] <= s + track[i...
output
1
44,885
14
89,771
Provide tags and a correct Python 3 solution for this coding contest problem. Eugeny loves listening to music. He has n songs in his play list. We know that song number i has the duration of ti minutes. Eugeny listens to each song, perhaps more than once. He listens to song number i ci times. Eugeny's play list is org...
instruction
0
44,886
14
89,772
Tags: binary search, implementation, two pointers Correct Solution: ``` # import sys # sys.stdin=open('F:\\C\\Script\\input.txt','r') # sys.stdout=open('F:\\C\\Script\\output.txt','w') # sys.stdout.flush() # MOD = 1000000007 I = lambda : [int(i) for i in input().split()] n , m = I() l = [] temp = I() l.append(temp[0]...
output
1
44,886
14
89,773
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N ladies attend the ball in the King's palace. Every lady can be described with three values: beauty, intellect and richness. King's Master of Ceremonies knows that ladies are very special creat...
instruction
0
45,531
14
91,062
No
output
1
45,531
14
91,063
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N ladies attend the ball in the King's palace. Every lady can be described with three values: beauty, intellect and richness. King's Master of Ceremonies knows that ladies are very special creat...
instruction
0
45,532
14
91,064
No
output
1
45,532
14
91,065
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N ladies attend the ball in the King's palace. Every lady can be described with three values: beauty, intellect and richness. King's Master of Ceremonies knows that ladies are very special creat...
instruction
0
45,533
14
91,066
No
output
1
45,533
14
91,067
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. N ladies attend the ball in the King's palace. Every lady can be described with three values: beauty, intellect and richness. King's Master of Ceremonies knows that ladies are very special creat...
instruction
0
45,534
14
91,068
No
output
1
45,534
14
91,069
Provide tags and a correct Python 3 solution for this coding contest problem. There are many anime that are about "love triangles": Alice loves Bob, and Charlie loves Bob as well, but Alice hates Charlie. You are thinking about an anime which has n characters. The characters are labeled from 1 to n. Every pair of two ...
instruction
0
45,754
14
91,508
Tags: dfs and similar, dsu, graphs Correct Solution: ``` from sys import stdin, stdout import sys class Node(object): def __init__(self, label): self.label = label self.par = self self.rank = 0 class DisjointSet(object): def __init__(self, n): self.n = n self.nodes = ...
output
1
45,754
14
91,509