message
stringlengths
2
67k
message_type
stringclasses
2 values
message_id
int64
0
1
conversation_id
int64
463
109k
cluster
float64
19
19
__index_level_0__
int64
926
217k
Provide a correct Python 3 solution for this coding contest problem. We will host a rock-paper-scissors tournament with N people. The participants are called Person 1, Person 2, \ldots, Person N. For any two participants, the result of the match between them is determined in advance. This information is represented by...
instruction
0
64,633
19
129,266
"Correct Solution: ``` import sys p2D = lambda x: print(*x, sep="\n") def II(): return int(sys.stdin.readline()) def SI(): return sys.stdin.readline()[:-1] def pbit(aa,L): for a in aa:print(format(a,"b").zfill(L)) print() def main(): n=II() aa=[[int(c) for c in SI()] for _ in range(n-1)] #p2D(aa) ...
output
1
64,633
19
129,267
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. We will host a rock-paper-scissors tournament with N people. The participants are called Person 1, Person 2, \ldots, Person N. For any two participants, the result of the match between them is d...
instruction
0
64,638
19
129,276
No
output
1
64,638
19
129,277
Provide tags and a correct Python 3 solution for this coding contest problem. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player chooses a non-empty pile and then removes a sin...
instruction
0
65,039
19
130,078
Tags: brute force, constructive algorithms, games, greedy Correct Solution: ``` for _ in range (int(input())): n = int(input()) a = [int(i) for i in input().split()] if n==1: print('T') elif n==2: if a[0]==a[1]: print('HL') else: print('T') else: ...
output
1
65,039
19
130,079
Provide tags and a correct Python 3 solution for this coding contest problem. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player chooses a non-empty pile and then removes a sin...
instruction
0
65,040
19
130,080
Tags: brute force, constructive algorithms, games, greedy Correct Solution: ``` for _ in range(int(input())): n = int(input()) a = list(map(int, input().split())) m = 0 s = 0 for i in a: m = max(m, i) s += i if m > s//2: print("T") elif s % 2 == 0: print("HL")...
output
1
65,040
19
130,081
Provide tags and a correct Python 3 solution for this coding contest problem. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player chooses a non-empty pile and then removes a sin...
instruction
0
65,041
19
130,082
Tags: brute force, constructive algorithms, games, greedy Correct Solution: ``` import heapq as hq for _ in range(int(input())): n = int(input()) l= list(map(lambda x: -int(x),input().split())) if n==1: print('T') continue f=0 hq.heapify(l) while True: x = hq.heappop(l) ...
output
1
65,041
19
130,083
Provide tags and a correct Python 3 solution for this coding contest problem. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player chooses a non-empty pile and then removes a sin...
instruction
0
65,042
19
130,084
Tags: brute force, constructive algorithms, games, greedy Correct Solution: ``` def checkMax(pilesArr,n): pilesArr.sort() pilesArrSum = sum(pilesArr) if(pilesArr[-1]>(pilesArrSum-pilesArr[-1])): return "T" else: if(pilesArrSum%2==0): return "HL" return "T" ...
output
1
65,042
19
130,085
Provide tags and a correct Python 3 solution for this coding contest problem. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player chooses a non-empty pile and then removes a sin...
instruction
0
65,043
19
130,086
Tags: brute force, constructive algorithms, games, greedy Correct Solution: ``` for _ in range(int(input())): n = int(input()) a = list(map(int, input().split())) s = sum(a) if(s%2 != 0): print("T") else: k = s//2 t = 0 for i in range(n): if(a[i] > k): ...
output
1
65,043
19
130,087
Provide tags and a correct Python 3 solution for this coding contest problem. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player chooses a non-empty pile and then removes a sin...
instruction
0
65,044
19
130,088
Tags: brute force, constructive algorithms, games, greedy Correct Solution: ``` t = int(input()) while t: t -= 1 n = int(input()) a = list(map(int, input().split())) total = sum(a) maxi = max(a) if maxi > total - maxi: print("T") continue if total % 2 == 0: print("HL...
output
1
65,044
19
130,089
Provide tags and a correct Python 3 solution for this coding contest problem. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player chooses a non-empty pile and then removes a sin...
instruction
0
65,045
19
130,090
Tags: brute force, constructive algorithms, games, greedy Correct Solution: ``` from collections import defaultdict from math import inf for _ in range(int(input())): n=int(input()) arr=list(map(int,input().split())) mi=min(arr) ans=0 su=0 res="T" for i in arr: ans+=i-mi su+=...
output
1
65,045
19
130,091
Provide tags and a correct Python 3 solution for this coding contest problem. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player chooses a non-empty pile and then removes a sin...
instruction
0
65,046
19
130,092
Tags: brute force, constructive algorithms, games, greedy Correct Solution: ``` import sys import math,bisect sys.setrecursionlimit(10 ** 5) from collections import defaultdict from itertools import groupby,accumulate from heapq import heapify,heappop,heappush from collections import deque,Counter,OrderedDict def I(): ...
output
1
65,046
19
130,093
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player ...
instruction
0
65,047
19
130,094
Yes
output
1
65,047
19
130,095
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player ...
instruction
0
65,048
19
130,096
Yes
output
1
65,048
19
130,097
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player ...
instruction
0
65,049
19
130,098
Yes
output
1
65,049
19
130,099
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player ...
instruction
0
65,050
19
130,100
Yes
output
1
65,050
19
130,101
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player ...
instruction
0
65,051
19
130,102
No
output
1
65,051
19
130,103
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player ...
instruction
0
65,052
19
130,104
No
output
1
65,052
19
130,105
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player ...
instruction
0
65,053
19
130,106
No
output
1
65,053
19
130,107
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. T is playing a game with his friend, HL. There are n piles of stones, the i-th pile initially has a_i stones. T and HL will take alternating turns, with T going first. In each turn, a player ...
instruction
0
65,054
19
130,108
No
output
1
65,054
19
130,109
Provide tags and a correct Python 3 solution for this coding contest problem. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X", then the whole play can be encoded as a seque...
instruction
0
65,125
19
130,250
Tags: dp, math, probabilities Correct Solution: ``` n = eval(input()) read = input() p = [] for x in read.split(): p.append((float)(x)) v = 0.0 l = 0.0 for u in p: v = v * (1 - u) + u * (v + 2 * l + 1) l = (l + 1) * u print(v) # Made By Mostafa_Khaled ```
output
1
65,125
19
130,251
Provide tags and a correct Python 3 solution for this coding contest problem. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X", then the whole play can be encoded as a seque...
instruction
0
65,126
19
130,252
Tags: dp, math, probabilities Correct Solution: ``` n = eval(input()) read = input() p = [] for x in read.split(): p.append((float)(x)) v = 0.0 l = 0.0 for item in p: v = v*(1-item) + item*(v + 2*l + 1) l = (l + 1)*item print(v) ```
output
1
65,126
19
130,253
Provide tags and a correct Python 3 solution for this coding contest problem. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X", then the whole play can be encoded as a seque...
instruction
0
65,127
19
130,254
Tags: dp, math, probabilities Correct Solution: ``` # encoding: utf-8 """ 长度为n的字符串,第i个位置上为O的概率为pi,否则为x 字符串的得分为连续O的数量的平方和 如"OOXXOOOXOO"的得分为4+9+4=17 问得分期望 Di为到i位置连续O的期望,Ei为到i位置的得分期望 Di = (D[i-1]+1)*pi Ei = E[i-1] + Pi * (2D[i-1] + 1) """ from math import sqrt from queue import Queue import sys sys.setrecurs...
output
1
65,127
19
130,255
Provide tags and a correct Python 3 solution for this coding contest problem. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X", then the whole play can be encoded as a seque...
instruction
0
65,128
19
130,256
Tags: dp, math, probabilities Correct Solution: ``` n = eval(input()) read = input() p = [] for x in read.split(): p.append((float)(x)) v = 0.0 l = 0.0 for u in p: v = v * (1 - u) + u * (v + 2 * l + 1) l = (l + 1) * u print(v) ```
output
1
65,128
19
130,257
Provide tags and a correct Python 3 solution for this coding contest problem. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X", then the whole play can be encoded as a seque...
instruction
0
65,129
19
130,258
Tags: dp, math, probabilities Correct Solution: ``` n=int(input().strip()) p=[0]+list(map(float,input().split())) a=[0]*(n+1) b=[0]*(n+1) for i in range(1,n+1): b[i]=(b[i-1]+1)*p[i] a[i]=(a[i-1]+2*b[i-1]+1)*p[i]+a[i-1]*(1-p[i]) print(a[-1]) ```
output
1
65,129
19
130,259
Provide tags and a correct Python 3 solution for this coding contest problem. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X", then the whole play can be encoded as a seque...
instruction
0
65,130
19
130,260
Tags: dp, math, probabilities Correct Solution: ``` n=input() lst = list(map(float, input().split())) ds = [] ds.append(0) for i, elem in enumerate(lst[1:]): ds.append(ds[i] * elem + lst[i]*elem) ans = 2 * sum(ds) + sum(lst) print(ans) ```
output
1
65,130
19
130,261
Provide tags and a correct Python 3 solution for this coding contest problem. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X", then the whole play can be encoded as a seque...
instruction
0
65,131
19
130,262
Tags: dp, math, probabilities Correct Solution: ``` n = int(input()) p = list(map(float, input().split())) p.append(0) s=[p[0]]*3 s[2]=0 ans = (2*s[2]+s[1])*(1-p[1]) for i in range(1,n): s[0] += 1 - p[i-1] for j in range(2,0,-1): s[j] += s[j-1] for j in range(3): s[j] *= p[i] ans += (2*s...
output
1
65,131
19
130,263
Provide tags and a correct Python 3 solution for this coding contest problem. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X", then the whole play can be encoded as a seque...
instruction
0
65,132
19
130,264
Tags: dp, math, probabilities Correct Solution: ``` n=int(input()) p=list(map(float,input().split())) val=[0.0] for j in range(n): val.append((val[-1]+1.0)*p[j]) dp=[0 for i in range(n+1)] for i in range(1,n+1): dp[i]=p[i-1]*(1.0+dp[i-1]+2*val[i-1])+(1-p[i-1])*(dp[i-1]) print(dp[-1]) ```
output
1
65,132
19
130,265
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X"...
instruction
0
65,133
19
130,266
Yes
output
1
65,133
19
130,267
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X"...
instruction
0
65,134
19
130,268
Yes
output
1
65,134
19
130,269
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X"...
instruction
0
65,135
19
130,270
No
output
1
65,135
19
130,271
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X"...
instruction
0
65,136
19
130,272
No
output
1
65,136
19
130,273
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. You're playing a game called Osu! Here's a simplified version of it. There are n clicks in a game. For each click there are two outcomes: correct or bad. Let us denote correct as "O", bad as "X"...
instruction
0
65,137
19
130,274
No
output
1
65,137
19
130,275
Provide tags and a correct Python 3 solution for this coding contest problem. Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each player character has exactly n skills. Each skill is represented by a non-negative integer ai —...
instruction
0
65,223
19
130,446
Tags: binary search, brute force, dp, greedy, sortings, two pointers Correct Solution: ``` f = lambda: map(int, input().split()) g = lambda: m - l * p[l - 1] + s[l] n, A, x, y, m = f() t = sorted((q, i) for i, q in enumerate(f())) p = [q for q, i in t] s = [0] * (n + 1) for j in range(n): s[j + 1] = p[j] + s[j] l = r...
output
1
65,223
19
130,447
Provide tags and a correct Python 3 solution for this coding contest problem. Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each player character has exactly n skills. Each skill is represented by a non-negative integer ai —...
instruction
0
65,224
19
130,448
Tags: binary search, brute force, dp, greedy, sortings, two pointers Correct Solution: ``` def main(): from bisect import bisect n, A, cf, cm, m = map(int, input().split()) skills = list(map(int, input().split())) xlat = sorted(range(n), key=skills.__getitem__) sorted_skills = [skills[_] for _ in xl...
output
1
65,224
19
130,449
Provide tags and a correct Python 3 solution for this coding contest problem. Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each player character has exactly n skills. Each skill is represented by a non-negative integer ai —...
instruction
0
65,225
19
130,450
Tags: binary search, brute force, dp, greedy, sortings, two pointers Correct Solution: ``` import bisect as bs import heapq as hq def force(cf, cm, f, m): return f*cf + m*cm # def perfect(sa, amax, m): # p = 0 # while sa[-p-1] == amax: # p += 1 # while sa[p] + m >= amax: # for _ in r...
output
1
65,225
19
130,451
Provide tags and a correct Python 3 solution for this coding contest problem. Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each player character has exactly n skills. Each skill is represented by a non-negative integer ai —...
instruction
0
65,226
19
130,452
Tags: binary search, brute force, dp, greedy, sortings, two pointers Correct Solution: ``` import itertools import bisect n, A, cf, cm, m = [int(x) for x in input().split()] skills = [int(x) for x in input().split()] sorted_skills = list(sorted((k, i) for i, k in enumerate(skills))) bottom_lift = [0 for i in range(n)]...
output
1
65,226
19
130,453
Provide tags and a correct Python 3 solution for this coding contest problem. Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each player character has exactly n skills. Each skill is represented by a non-negative integer ai —...
instruction
0
65,227
19
130,454
Tags: binary search, brute force, dp, greedy, sortings, two pointers Correct Solution: ``` n,A,cf,cm,mN = map(int,input().split()) a = list(map(int,input().split())) aCOPY = [] for elem in a: aCOPY.append(elem) a.sort() aPartialSum = [0] for elem in a: aPartialSum.append(aPartialSum[-1] + elem) maxScore = 0...
output
1
65,227
19
130,455
Provide tags and a correct Python 3 solution for this coding contest problem. Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each player character has exactly n skills. Each skill is represented by a non-negative integer ai —...
instruction
0
65,228
19
130,456
Tags: binary search, brute force, dp, greedy, sortings, two pointers Correct Solution: ``` def main(): from bisect import bisect n, A, cf, cm, m = map(int, input().split()) skills = list(map(int, input().split())) xlat = sorted(range(n), key=skills.__getitem__) sorted_skills = [skills[_] for _ in xl...
output
1
65,228
19
130,457
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each player character has exactly n skills. Each skil...
instruction
0
65,229
19
130,458
No
output
1
65,229
19
130,459
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each player character has exactly n skills. Each skil...
instruction
0
65,230
19
130,460
No
output
1
65,230
19
130,461
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each player character has exactly n skills. Each skil...
instruction
0
65,231
19
130,462
No
output
1
65,231
19
130,463
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Lesha plays the recently published new version of the legendary game hacknet. In this version character skill mechanism was introduced. Now, each player character has exactly n skills. Each skil...
instruction
0
65,232
19
130,464
No
output
1
65,232
19
130,465
Provide tags and a correct Python 3 solution for this coding contest problem. One player came to a casino and found a slot machine where everything depends only on how he plays. The rules follow. A positive integer a is initially on the screen. The player can put a coin into the machine and then add 1 to or subtract ...
instruction
0
65,669
19
131,338
Tags: constructive algorithms, greedy, implementation, math Correct Solution: ``` def main(): n = int(input()) a = list(map(int, (x for x in input()))) b = list(map(int, (x for x in input()))) x = [0] * (n - 1) x[0] = b[0] - a[0] for i in range(1, n - 1): x[i] = b[i] - a[i] - x[i - 1] ...
output
1
65,669
19
131,339
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One player came to a casino and found a slot machine where everything depends only on how he plays. The rules follow. A positive integer a is initially on the screen. The player can put a coin ...
instruction
0
65,670
19
131,340
No
output
1
65,670
19
131,341
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One player came to a casino and found a slot machine where everything depends only on how he plays. The rules follow. A positive integer a is initially on the screen. The player can put a coin ...
instruction
0
65,671
19
131,342
No
output
1
65,671
19
131,343
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One player came to a casino and found a slot machine where everything depends only on how he plays. The rules follow. A positive integer a is initially on the screen. The player can put a coin ...
instruction
0
65,672
19
131,344
No
output
1
65,672
19
131,345
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. One player came to a casino and found a slot machine where everything depends only on how he plays. The rules follow. A positive integer a is initially on the screen. The player can put a coin ...
instruction
0
65,673
19
131,346
No
output
1
65,673
19
131,347
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
65,778
19
131,556
Yes
output
1
65,778
19
131,557
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
65,779
19
131,558
Yes
output
1
65,779
19
131,559
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
65,780
19
131,560
Yes
output
1
65,780
19
131,561
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
65,781
19
131,562
Yes
output
1
65,781
19
131,563