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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Alice and Bob are playing a game with n piles of stones. It is guaranteed that n is an even number. The i-th pile has a_i stones. Alice and Bob will play a game alternating turns with Alice goi...
instruction
0
69,902
19
139,804
Yes
output
1
69,902
19
139,805
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Alice and Bob are playing a game with n piles of stones. It is guaranteed that n is an even number. The i-th pile has a_i stones. Alice and Bob will play a game alternating turns with Alice goi...
instruction
0
69,903
19
139,806
Yes
output
1
69,903
19
139,807
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Alice and Bob are playing a game with n piles of stones. It is guaranteed that n is an even number. The i-th pile has a_i stones. Alice and Bob will play a game alternating turns with Alice goi...
instruction
0
69,904
19
139,808
Yes
output
1
69,904
19
139,809
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Alice and Bob are playing a game with n piles of stones. It is guaranteed that n is an even number. The i-th pile has a_i stones. Alice and Bob will play a game alternating turns with Alice goi...
instruction
0
69,905
19
139,810
Yes
output
1
69,905
19
139,811
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Alice and Bob are playing a game with n piles of stones. It is guaranteed that n is an even number. The i-th pile has a_i stones. Alice and Bob will play a game alternating turns with Alice goi...
instruction
0
69,906
19
139,812
No
output
1
69,906
19
139,813
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Alice and Bob are playing a game with n piles of stones. It is guaranteed that n is an even number. The i-th pile has a_i stones. Alice and Bob will play a game alternating turns with Alice goi...
instruction
0
69,907
19
139,814
No
output
1
69,907
19
139,815
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Alice and Bob are playing a game with n piles of stones. It is guaranteed that n is an even number. The i-th pile has a_i stones. Alice and Bob will play a game alternating turns with Alice goi...
instruction
0
69,908
19
139,816
No
output
1
69,908
19
139,817
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Alice and Bob are playing a game with n piles of stones. It is guaranteed that n is an even number. The i-th pile has a_i stones. Alice and Bob will play a game alternating turns with Alice goi...
instruction
0
69,909
19
139,818
No
output
1
69,909
19
139,819
Provide tags and a correct Python 3 solution for this coding contest problem. There is a game called "Unique Bid Auction". You can read more about it here: https://en.wikipedia.org/wiki/Unique_bid_auction (though you don't have to do it to solve this problem). Let's simplify this game a bit. Formally, there are n par...
instruction
0
70,059
19
140,118
Tags: implementation Correct Solution: ``` import sys #input=sys.stdin.readline from collections import defaultdict as dc from collections import Counter from bisect import bisect_right, bisect_left import math from operator import itemgetter from heapq import heapify, heappop, heappush for _ in range(int(input())): ...
output
1
70,059
19
140,119
Provide tags and a correct Python 3 solution for this coding contest problem. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take turns to make the following moves. During each mov...
instruction
0
70,153
19
140,306
Tags: games, math, number theory Correct Solution: ``` def gcd(a, b): while b > 0: a, b = b, a % b return a n = int(input()) A = list(map(int, input().split())) GCD = A[0] for x in A[1:]: GCD = gcd(GCD, x) num = max(A) // GCD - n if num % 2 == 0: print("Bob") else: print("Alice") ```
output
1
70,153
19
140,307
Provide tags and a correct Python 3 solution for this coding contest problem. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take turns to make the following moves. During each mov...
instruction
0
70,154
19
140,308
Tags: games, math, number theory Correct Solution: ``` def gcd(a,b): return a if b==0 else gcd(b,a%b) n=int(input()) a=list(map(int,input().split())) com=a[0] for x in a: com=gcd(com,x) cnt=max(a)//com print((cnt-n)%2==1 and 'Alice' or 'Bob') ```
output
1
70,154
19
140,309
Provide tags and a correct Python 3 solution for this coding contest problem. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take turns to make the following moves. During each mov...
instruction
0
70,155
19
140,310
Tags: games, math, number theory Correct Solution: ``` from fractions import gcd n = int(input()) sez = [int(i) for i in input().split()] sez.sort() g = gcd(sez[0], sez[1]) for i in range(2, n): g = gcd(g, sez[i]) left = sez[n-1]/g - n if left%2 == 1: print("Alice") else: print("Bob") ```
output
1
70,155
19
140,311
Provide tags and a correct Python 3 solution for this coding contest problem. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take turns to make the following moves. During each mov...
instruction
0
70,156
19
140,312
Tags: games, math, number theory Correct Solution: ``` import fractions; n = int(input()); a = list(map(int, input().split())); gcd = a[0]; for i in range(1, n): gcd = fractions.gcd(gcd, a[i]); x = (max(a) / gcd - n) if (x % 2 == 1): print("Alice"); else: print("Bob"); ```
output
1
70,156
19
140,313
Provide tags and a correct Python 3 solution for this coding contest problem. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take turns to make the following moves. During each mov...
instruction
0
70,157
19
140,314
Tags: games, math, number theory Correct Solution: ``` import fractions n = int(input()) A = list(map(int, input().split())) x = A[0] for i in A: x = fractions.gcd(x, i) if (max(A) // x - len(A)) % 2 == 0: print('Bob') else: print('Alice') ```
output
1
70,157
19
140,315
Provide tags and a correct Python 3 solution for this coding contest problem. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take turns to make the following moves. During each mov...
instruction
0
70,158
19
140,316
Tags: games, math, number theory Correct Solution: ``` from fractions import gcd n = int(input()) x = list(map(int, input().split(' '))) gcdx = x[0] for i in x: gcdx = gcd(gcdx, i) nums = max(x) / gcdx if (int(nums) - n)%2 == 1: print("Alice") else: print("Bob") ```
output
1
70,158
19
140,317
Provide tags and a correct Python 3 solution for this coding contest problem. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take turns to make the following moves. During each mov...
instruction
0
70,159
19
140,318
Tags: games, math, number theory Correct Solution: ``` from fractions import gcd from functools import reduce n = int(input()) a = list(map(int, input().split())) g = reduce(gcd, a) s = max(a)//g - n if s%2: print('Alice') else: print('Bob') ```
output
1
70,159
19
140,319
Provide tags and a correct Python 3 solution for this coding contest problem. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take turns to make the following moves. During each mov...
instruction
0
70,160
19
140,320
Tags: games, math, number theory Correct Solution: ``` from math import * n=int(input()) a=list(map(int,input().split())) b=a[0] for i in a: b=gcd(i,b) print('Alice' if (max(*a)//b-n)%2==1 else 'Bob') ```
output
1
70,160
19
140,321
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take tur...
instruction
0
70,161
19
140,322
Yes
output
1
70,161
19
140,323
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take tur...
instruction
0
70,162
19
140,324
Yes
output
1
70,162
19
140,325
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take tur...
instruction
0
70,163
19
140,326
Yes
output
1
70,163
19
140,327
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take tur...
instruction
0
70,164
19
140,328
Yes
output
1
70,164
19
140,329
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take tur...
instruction
0
70,165
19
140,330
No
output
1
70,165
19
140,331
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take tur...
instruction
0
70,166
19
140,332
No
output
1
70,166
19
140,333
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take tur...
instruction
0
70,167
19
140,334
No
output
1
70,167
19
140,335
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. It is so boring in the summer holiday, isn't it? So Alice and Bob have invented a new game to play. The rules are as follows. First, they get a set of n distinct integers. And then they take tur...
instruction
0
70,168
19
140,336
No
output
1
70,168
19
140,337
Provide tags and a correct Python 3 solution for this coding contest problem. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he can move a match from its box to the adjacent one...
instruction
0
70,176
19
140,352
Tags: greedy, implementation Correct Solution: ``` n = int(input()) a = list(map(int, input().split())) sum = 0 for x in a: sum += x t = sum // n ans = 0 for i in range(n - 1): if a[i] < t: ans += (t - a[i]) a[i + 1] -= (t - a[i]) else: ans += (a[i] - t) a[i + 1] += (a[i] - t...
output
1
70,176
19
140,353
Provide tags and a correct Python 3 solution for this coding contest problem. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he can move a match from its box to the adjacent one...
instruction
0
70,177
19
140,354
Tags: greedy, implementation Correct Solution: ``` n = int(input()) a = list(map(int, input().split())) + [0] s = sum(a) // n d = 0 for i in range(n): if a[i] > s: a[i + 1] += abs(a[i] - s) else: a[i + 1] -= abs(a[i] - s) d += abs(a[i] - s) print(d) ```
output
1
70,177
19
140,355
Provide tags and a correct Python 3 solution for this coding contest problem. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he can move a match from its box to the adjacent one...
instruction
0
70,178
19
140,356
Tags: greedy, implementation Correct Solution: ``` n = int(input()) a = [int(x) for x in input().split()] s = sum(a) // n lft = 0 ans = 0 for i in range(n): ans += abs(lft) lft += a[i] - s print(ans) ```
output
1
70,178
19
140,357
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he ca...
instruction
0
70,183
19
140,366
Yes
output
1
70,183
19
140,367
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he ca...
instruction
0
70,184
19
140,368
Yes
output
1
70,184
19
140,369
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he ca...
instruction
0
70,185
19
140,370
Yes
output
1
70,185
19
140,371
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he ca...
instruction
0
70,186
19
140,372
Yes
output
1
70,186
19
140,373
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he ca...
instruction
0
70,187
19
140,374
No
output
1
70,187
19
140,375
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he ca...
instruction
0
70,188
19
140,376
No
output
1
70,188
19
140,377
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he ca...
instruction
0
70,189
19
140,378
No
output
1
70,189
19
140,379
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Petya has k matches, placed in n matchboxes lying in a line from left to right. We know that k is divisible by n. Petya wants all boxes to have the same number of matches inside. For that, he ca...
instruction
0
70,190
19
140,380
No
output
1
70,190
19
140,381
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each card is given to exactly one player. Find the wa...
instruction
0
70,312
19
140,624
Tags: greedy, implementation Correct Solution: ``` def main(): n = int(input()) // 2 a = [int(i) for i in input().split()] import copy cp = copy.copy(a) cp.sort() i, j = 0, len(cp) - 1 while n != 0: im = a.index(cp[i]) a[im] = None jm = a.index(cp[j]) a[jm] = None print('{} {}'.format(im+1,jm+1)) i +...
output
1
70,312
19
140,625
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each card is given to exactly one player. Find the wa...
instruction
0
70,313
19
140,626
Tags: greedy, implementation Correct Solution: ``` n=int(input()) a=[int(i) for i in input().split()] s=0 for i in a: s+=i s//=(n//2) for i in range(n): for j in range(n): if a[i]+a[j]==s and i!=j and a[i]!=-1 and a[j]!=-1: print(i+1, j+1) a[i], a[j]=-1, -1 ```
output
1
70,313
19
140,627
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each card is given to exactly one player. Find the wa...
instruction
0
70,314
19
140,628
Tags: greedy, implementation Correct Solution: ``` def main(): n = int(input()) a = list(map(int,input().split())) each = sum(a)*2//n used = [False for _ in range(n)] for i in range(n): if used[i]: continue for j in range(i+1,n): if used[j]: ...
output
1
70,314
19
140,629
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each card is given to exactly one player. Find the wa...
instruction
0
70,315
19
140,630
Tags: greedy, implementation Correct Solution: ``` n=int(input()) a=list(map(int,input().split())) t=n//2 b=[] u,s=0,0 e=sum(a)//t for i in range(n): for j in range(i+1,n): if a[i]+a[j]==e: if i+1 not in b: if j+1 not in b: print(i+1,j+1) b...
output
1
70,315
19
140,631
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each card is given to exactly one player. Find the wa...
instruction
0
70,316
19
140,632
Tags: greedy, implementation Correct Solution: ``` a = int(input()) l=sorted(zip(map(int,input().split()),range(1,a+1))) for i in range(0,a//2): print(l[i][1],l[-1-i][1]) ```
output
1
70,316
19
140,633
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each card is given to exactly one player. Find the wa...
instruction
0
70,317
19
140,634
Tags: greedy, implementation Correct Solution: ``` n = int(input()) sp = list(map(int, input().split())) mid = sum(sp) / (n / 2) for i in range(n): for j in range(n): if i != j: if sp[i] + sp[j] == mid: I, J = sp[i], sp[j] print(sp.index(I) + 1, end=' ') ...
output
1
70,317
19
140,635
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each card is given to exactly one player. Find the wa...
instruction
0
70,318
19
140,636
Tags: greedy, implementation Correct Solution: ``` def int_lst_input(): return [int(val) for val in input().split(' ')] def int_input(): return int(input()) def solve(): n = int_input() a = int_lst_input() target = sum(a) // (n // 2) idx_used = set() for i in range(0, n): for j ...
output
1
70,318
19
140,637
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each card is given to exactly one player. Find the wa...
instruction
0
70,319
19
140,638
Tags: greedy, implementation Correct Solution: ``` import sys n = int(input()) arr = list(map(int,input().split())) arr2 = sorted(arr) s = -1 found = 0 indexx = [] for i in range(int(n/2)): for j in range(n): if j+1 not in indexx and arr[j] == arr2[i]: indexx.append(j+1) pos1 = j+1 ...
output
1
70,319
19
140,639
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each car...
instruction
0
70,320
19
140,640
Yes
output
1
70,320
19
140,641
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each car...
instruction
0
70,321
19
140,642
Yes
output
1
70,321
19
140,643
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each car...
instruction
0
70,322
19
140,644
Yes
output
1
70,322
19
140,645
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each car...
instruction
0
70,323
19
140,646
Yes
output
1
70,323
19
140,647
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each car...
instruction
0
70,324
19
140,648
No
output
1
70,324
19
140,649
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cards (n is even) in the deck. Each card has a positive integer written on it. n / 2 people will play new card game. At the beginning of the game each player gets two cards, each car...
instruction
0
70,325
19
140,650
No
output
1
70,325
19
140,651