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Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. "You must lift the dam. With a lever. I will give it to you. You must block the canal. With a rock. I will not give the rock to you." Danik urgently needs rock and lever! Obviously, the easie...
instruction
0
65,782
19
131,564
No
output
1
65,782
19
131,565
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. "You must lift the dam. With a lever. I will give it to you. You must block the canal. With a rock. I will not give the rock to you." Danik urgently needs rock and lever! Obviously, the easie...
instruction
0
65,783
19
131,566
No
output
1
65,783
19
131,567
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. "You must lift the dam. With a lever. I will give it to you. You must block the canal. With a rock. I will not give the rock to you." Danik urgently needs rock and lever! Obviously, the easie...
instruction
0
65,784
19
131,568
No
output
1
65,784
19
131,569
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. "You must lift the dam. With a lever. I will give it to you. You must block the canal. With a rock. I will not give the rock to you." Danik urgently needs rock and lever! Obviously, the easie...
instruction
0
65,785
19
131,570
No
output
1
65,785
19
131,571
Provide tags and a correct Python 3 solution for this coding contest problem. Two people play the following string game. Initially the players have got some string s. The players move in turns, the player who cannot make a move loses. Before the game began, the string is written on a piece of paper, one letter per c...
instruction
0
65,903
19
131,806
Tags: games Correct Solution: ``` U = input() memo = {} DP = [0]*(len(U)+1) DP[0] = 0 for j in range(1, len(U) + 1): s = set() for i in range(j): s.add(DP[max(0, i - 1)] ^ DP[max(0, j - i - 2)]) mex = 0 while mex in s: mex += 1 DP[j] = mex memo2 = {} def Grundy(S): """ ...
output
1
65,903
19
131,807
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Two people play the following string game. Initially the players have got some string s. The players move in turns, the player who cannot make a move loses. Before the game began, the string i...
instruction
0
65,904
19
131,808
No
output
1
65,904
19
131,809
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Two people play the following string game. Initially the players have got some string s. The players move in turns, the player who cannot make a move loses. Before the game began, the string i...
instruction
0
65,905
19
131,810
No
output
1
65,905
19
131,811
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Two people play the following string game. Initially the players have got some string s. The players move in turns, the player who cannot make a move loses. Before the game began, the string i...
instruction
0
65,906
19
131,812
No
output
1
65,906
19
131,813
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Two people play the following string game. Initially the players have got some string s. The players move in turns, the player who cannot make a move loses. Before the game began, the string i...
instruction
0
65,907
19
131,814
No
output
1
65,907
19
131,815
Provide a correct Python 3 solution for this coding contest problem. You are playing the following game with Joisino. * Initially, you have a blank sheet of paper. * Joisino announces a number. If that number is written on the sheet, erase the number from the sheet; if not, write the number on the sheet. This process...
instruction
0
66,322
19
132,644
"Correct Solution: ``` N=int(input()) A=[int(input()) for _ in range(N)] memo=dict() for a in A: memo[a] = not memo.get(a,False) print(sum(memo.values())) ```
output
1
66,322
19
132,645
Provide a correct Python 3 solution for this coding contest problem. You are playing the following game with Joisino. * Initially, you have a blank sheet of paper. * Joisino announces a number. If that number is written on the sheet, erase the number from the sheet; if not, write the number on the sheet. This process...
instruction
0
66,323
19
132,646
"Correct Solution: ``` N=int(input()) S=set() for n in range(N): _=int(input()) if _ in S: S.remove(_) else: S.add(_) print(len(S)) ```
output
1
66,323
19
132,647
Provide a correct Python 3 solution for this coding contest problem. You are playing the following game with Joisino. * Initially, you have a blank sheet of paper. * Joisino announces a number. If that number is written on the sheet, erase the number from the sheet; if not, write the number on the sheet. This process...
instruction
0
66,324
19
132,648
"Correct Solution: ``` n=int(input()) S=set() for i in range(n): S^=set([input()]) print(len(S)) ```
output
1
66,324
19
132,649
Provide a correct Python 3 solution for this coding contest problem. You are playing the following game with Joisino. * Initially, you have a blank sheet of paper. * Joisino announces a number. If that number is written on the sheet, erase the number from the sheet; if not, write the number on the sheet. This process...
instruction
0
66,325
19
132,650
"Correct Solution: ``` n=int(input()) s=set([]) for i in range(n): x=int(input()) if not x in s: s.add(x) else: s.remove(x) print(len(s)) ```
output
1
66,325
19
132,651
Provide a correct Python 3 solution for this coding contest problem. You are playing the following game with Joisino. * Initially, you have a blank sheet of paper. * Joisino announces a number. If that number is written on the sheet, erase the number from the sheet; if not, write the number on the sheet. This process...
instruction
0
66,326
19
132,652
"Correct Solution: ``` n,c=int(input()),{} for i in range(n): a=int(input()) if a in c:del c[a] else:c[a]=1 print(len(c)) ```
output
1
66,326
19
132,653
Provide a correct Python 3 solution for this coding contest problem. You are playing the following game with Joisino. * Initially, you have a blank sheet of paper. * Joisino announces a number. If that number is written on the sheet, erase the number from the sheet; if not, write the number on the sheet. This process...
instruction
0
66,327
19
132,654
"Correct Solution: ``` n=int(input()) s=set() for i in range(n): x=int(input()) if x in s: s.remove(x) else: s.add(x) print(len(s)) ```
output
1
66,327
19
132,655
Provide a correct Python 3 solution for this coding contest problem. You are playing the following game with Joisino. * Initially, you have a blank sheet of paper. * Joisino announces a number. If that number is written on the sheet, erase the number from the sheet; if not, write the number on the sheet. This process...
instruction
0
66,328
19
132,656
"Correct Solution: ``` N,*A=open(0);s=set() for a in A:s^={int(a)} print(len(s)) ```
output
1
66,328
19
132,657
Provide a correct Python 3 solution for this coding contest problem. You are playing the following game with Joisino. * Initially, you have a blank sheet of paper. * Joisino announces a number. If that number is written on the sheet, erase the number from the sheet; if not, write the number on the sheet. This process...
instruction
0
66,329
19
132,658
"Correct Solution: ``` n=int(input()) a=[input() for _ in range(n)] l={} for i in a: if i in l: del l[i] else: l[i]=0 print(len(l)) ```
output
1
66,329
19
132,659
Provide a correct Python 3 solution for this coding contest problem. You have just been put in charge of developing a new shredder for the Shredding Company. Although a ``normal'' shredder would just shred sheets of paper into little pieces so that the contents would become unreadable, this new shredder needs to have ...
instruction
0
66,403
19
132,806
"Correct Solution: ``` #!usr/bin/env python3 from collections import defaultdict,deque from heapq import heappush, heappop import sys import math import bisect import random def LI(): return [int(x) for x in sys.stdin.readline().split()] def I(): return int(sys.stdin.readline()) def LS():return [list(x) for x in sys.st...
output
1
66,403
19
132,807
Provide a correct Python 3 solution for this coding contest problem. You have just been put in charge of developing a new shredder for the Shredding Company. Although a ``normal'' shredder would just shred sheets of paper into little pieces so that the contents would become unreadable, this new shredder needs to have ...
instruction
0
66,404
19
132,808
"Correct Solution: ``` import itertools from heapq import heappop, heappush from collections import defaultdict def main(t, num): num = list(str(num)) d = defaultdict(int) if t < sum(map(int, num)): print("error") return q = [[0,[]]] itertools.product() fulls = itertools.product(...
output
1
66,404
19
132,809
Provide a correct Python 3 solution for this coding contest problem. You have just been put in charge of developing a new shredder for the Shredding Company. Although a ``normal'' shredder would just shred sheets of paper into little pieces so that the contents would become unreadable, this new shredder needs to have ...
instruction
0
66,405
19
132,810
"Correct Solution: ``` import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time,copy,functools sys.setrecursionlimit(10**7) inf = 10**20 eps = 1.0 / 10**10 mod = 998244353 dd = [(0,-1),(1,0),(0,1),(-1,0)] ddn = [(0,-1),(1,-1),(1,0),(1,1),(0,1),(-1,-1),(-1,0),(-1,1)] def LI(): return [i...
output
1
66,405
19
132,811
Provide a correct Python 3 solution for this coding contest problem. You have just been put in charge of developing a new shredder for the Shredding Company. Although a ``normal'' shredder would just shred sheets of paper into little pieces so that the contents would become unreadable, this new shredder needs to have ...
instruction
0
66,406
19
132,812
"Correct Solution: ``` #!/usr/bin/env python3 while True: t, n = input().split() t = int(t) if t == 0: exit() L = len(n) m = 0 parts = [] f = False for b in range(1 << (L - 1)): c = int(n[0]) s = 0 li = [] for k in range(L - 1): if b >>...
output
1
66,406
19
132,813
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Wojtek has just won a maths competition in Byteland! The prize is admirable — a great book called 'Card Tricks for Everyone.' 'Great!' he thought, 'I can finally use this old, dusted deck of car...
instruction
0
66,529
19
133,058
No
output
1
66,529
19
133,059
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Wojtek has just won a maths competition in Byteland! The prize is admirable — a great book called 'Card Tricks for Everyone.' 'Great!' he thought, 'I can finally use this old, dusted deck of car...
instruction
0
66,530
19
133,060
No
output
1
66,530
19
133,061
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Wojtek has just won a maths competition in Byteland! The prize is admirable — a great book called 'Card Tricks for Everyone.' 'Great!' he thought, 'I can finally use this old, dusted deck of car...
instruction
0
66,531
19
133,062
No
output
1
66,531
19
133,063
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is either R, S or P. While initializing, the bot...
instruction
0
66,604
19
133,208
Tags: greedy Correct Solution: ``` T=int(input()) for ii in range(T): s=input() n=len(s) R=0 P=0 S=0 for i in s: if i=="R": R+=1 elif i=="P": P+=1 else: S+=1 if max(R,P,S)==R: result="P"*n elif max(R,P,S)==P: result...
output
1
66,604
19
133,209
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is either R, S or P. While initializing, the bot...
instruction
0
66,605
19
133,210
Tags: greedy Correct Solution: ``` def solve(): s=input() d={'R':0,'S':0,'P':0} for i in s: d[i]+=1 x=float('-inf') for i in d: if(d[i]>x): k=i x=d[i] if k=='R': print('P'*len(s)) elif k=='S': ...
output
1
66,605
19
133,211
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is either R, S or P. While initializing, the bot...
instruction
0
66,606
19
133,212
Tags: greedy Correct Solution: ``` for _ in range(int(input())): s = input() ss = list(s) rcount = ss.count('R') scount = ss.count('S') pcount = ss.count('P') mymax = max(pcount,scount,rcount) if mymax == rcount: print('P'*len(s)) elif mymax == scount: print('R'*len(s)) ...
output
1
66,606
19
133,213
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is either R, S or P. While initializing, the bot...
instruction
0
66,607
19
133,214
Tags: greedy Correct Solution: ``` t = int(input()) for i in range(t): s1 = input() s = list(s1) l = len(s1) # print(s) hm = {} hm['R'] = 0; hm['S'] = 0; hm['P'] = 0 for j in s: hm[j]+=1 # print(hm) if hm['R']==hm['S'] and hm['R']==hm['P']: print(s1) continue q = max(hm, key = hm.get) #print(hm,q) if...
output
1
66,607
19
133,215
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is either R, S or P. While initializing, the bot...
instruction
0
66,608
19
133,216
Tags: greedy Correct Solution: ``` t = int(input()) for _ in range(t): s = input() n = len(s) cnt_r = s.count("R") cnt_s = s.count("S") cnt_p = s.count("P") max_cnt = max(cnt_r, cnt_s, cnt_p) if max_cnt == cnt_r: print("P" * n) elif max_cnt == cnt_s: print("R" * n) e...
output
1
66,608
19
133,217
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is either R, S or P. While initializing, the bot...
instruction
0
66,609
19
133,218
Tags: greedy Correct Solution: ``` keys = {"R": "P", "S": "R", "P": "S"} for test in range(int(input())): s = input() counter = {s.count("R"): "R", s.count("S"): "S", s.count("P"): "P"} m = max(counter.keys()) ans = keys[counter[m]] * len(s) print(ans) ```
output
1
66,609
19
133,219
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is either R, S or P. While initializing, the bot...
instruction
0
66,610
19
133,220
Tags: greedy Correct Solution: ``` for testcase in range(int(input())): s = input().strip() cnt = {'R': 0, 'S': 0, 'P': 0} for i in s: cnt[i] += 1 _, w = max(zip(cnt.values(), cnt.keys())) ans = ({'R': 'P', 'P': 'S', 'S': 'R'})[w] * len(s) print(ans) ```
output
1
66,610
19
133,221
Provide tags and a correct Python 3 solution for this coding contest problem. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is either R, S or P. While initializing, the bot...
instruction
0
66,611
19
133,222
Tags: greedy Correct Solution: ``` def solve(): lst = list(input()) n = len(lst) r = 0 s = 0 p = 0 for i in lst: if i == "R": p += 1 if i == "S": r += 1 if i == "P": s += 1 q = max([r,s,p]) if r == q: print("R" * n) ...
output
1
66,611
19
133,223
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is...
instruction
0
66,612
19
133,224
Yes
output
1
66,612
19
133,225
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is...
instruction
0
66,613
19
133,226
Yes
output
1
66,613
19
133,227
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is...
instruction
0
66,614
19
133,228
Yes
output
1
66,614
19
133,229
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is...
instruction
0
66,615
19
133,230
Yes
output
1
66,615
19
133,231
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is...
instruction
0
66,616
19
133,232
No
output
1
66,616
19
133,233
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is...
instruction
0
66,617
19
133,234
No
output
1
66,617
19
133,235
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is...
instruction
0
66,618
19
133,236
No
output
1
66,618
19
133,237
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Recently, you found a bot to play "Rock paper scissors" with. Unfortunately, the bot uses quite a simple algorithm to play: he has a string s = s_1 s_2 ... s_{n} of length n where each letter is...
instruction
0
66,619
19
133,238
No
output
1
66,619
19
133,239
Provide tags and a correct Python 3 solution for this coding contest problem. Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twilight Sparkle became interested in the dice that were used in the game. The dice has m faces...
instruction
0
66,755
19
133,510
Tags: probabilities Correct Solution: ``` m,n=map(int,input().split()) a=m**(-n) for i in range(2,m+1): a+=((i/m)**n-((i-1)/m)**n)*i print(a) ```
output
1
66,755
19
133,511
Provide tags and a correct Python 3 solution for this coding contest problem. Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twilight Sparkle became interested in the dice that were used in the game. The dice has m faces...
instruction
0
66,756
19
133,512
Tags: probabilities Correct Solution: ``` m, n = str(input()).split() n, m = int(n) , int(m) sum = 0 for i in range(1, m+1): sum += i * ( (i/m)**n - ((i-1)/m)**n ) print(sum) ```
output
1
66,756
19
133,513
Provide tags and a correct Python 3 solution for this coding contest problem. Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twilight Sparkle became interested in the dice that were used in the game. The dice has m faces...
instruction
0
66,757
19
133,514
Tags: probabilities Correct Solution: ``` m,n=map(int,input().split()) ans=0 l1=[0]*(m+1) if m>1: l1[0]= (1/m)**n x=l1[0] for i in range(1,m+1): if i==1: ans+=l1[0]*i else : l1[i-1]= (i/m)**n-x x+=l1[i-1] ans+= l1[i-1] * i print(ans) else :...
output
1
66,757
19
133,515
Provide tags and a correct Python 3 solution for this coding contest problem. Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twilight Sparkle became interested in the dice that were used in the game. The dice has m faces...
instruction
0
66,758
19
133,516
Tags: probabilities Correct Solution: ``` m,n=map(int,input().split()) cp=[0]*(m+1) for i in range(1,m+1): cp[i]=(i/m)**n p=[0]*(m+1) for i in range(1,m+1): p[i]=cp[i]-cp[i-1] ans=0 for i in range(1,m+1): ans+=i*p[i] print(ans) ```
output
1
66,758
19
133,517
Provide tags and a correct Python 3 solution for this coding contest problem. Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twilight Sparkle became interested in the dice that were used in the game. The dice has m faces...
instruction
0
66,759
19
133,518
Tags: probabilities Correct Solution: ``` m, n = [int(x) for x in input().split()] print(sum([i *((i/m) ** n - ((i-1)/m) ** n) for i in range(1, m + 1)])) ```
output
1
66,759
19
133,519
Provide tags and a correct Python 3 solution for this coding contest problem. Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twilight Sparkle became interested in the dice that were used in the game. The dice has m faces...
instruction
0
66,760
19
133,520
Tags: probabilities Correct Solution: ``` n, m = map(int, input().split(' ')) ans = n for i in range(1, n): num = (n-i)/n res = pow(num, m) ans -= res print(ans) ```
output
1
66,760
19
133,521
Provide tags and a correct Python 3 solution for this coding contest problem. Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twilight Sparkle became interested in the dice that were used in the game. The dice has m faces...
instruction
0
66,761
19
133,522
Tags: probabilities Correct Solution: ``` m, n = map(int, input().split()) ans = m for i in range(m): ans = ans - (i / m) ** n print(ans) ```
output
1
66,761
19
133,523
Provide tags and a correct Python 3 solution for this coding contest problem. Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twilight Sparkle became interested in the dice that were used in the game. The dice has m faces...
instruction
0
66,762
19
133,524
Tags: probabilities Correct Solution: ``` m,n= map(int,input().split()) bs = m for i in range(1,m): bs-= (i/m)**n print(bs) ```
output
1
66,762
19
133,525
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twilight Sparkle became interested in the dice th...
instruction
0
66,763
19
133,526
Yes
output
1
66,763
19
133,527
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Twilight Sparkle was playing Ludo with her friends Rainbow Dash, Apple Jack and Flutter Shy. But she kept losing. Having returned to the castle, Twilight Sparkle became interested in the dice th...
instruction
0
66,764
19
133,528
Yes
output
1
66,764
19
133,529