message
stringlengths
2
48.6k
message_type
stringclasses
2 values
message_id
int64
0
1
conversation_id
int64
318
108k
cluster
float64
8
8
__index_level_0__
int64
636
217k
Provide a correct Python 3 solution for this coding contest problem. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that character is `1`. You can perform the following operation an...
instruction
0
78,066
8
156,132
"Correct Solution: ``` S=input() c0=S.count('1') c1=S.count('0') print(2*min(c0,c1)) ```
output
1
78,066
8
156,133
Provide a correct Python 3 solution for this coding contest problem. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that character is `1`. You can perform the following operation an...
instruction
0
78,067
8
156,134
"Correct Solution: ``` s = input() print(2*(min(s.count("0"),s.count("1")))) ```
output
1
78,067
8
156,135
Provide a correct Python 3 solution for this coding contest problem. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that character is `1`. You can perform the following operation an...
instruction
0
78,068
8
156,136
"Correct Solution: ``` s = input() a = [s.count(c) for c in '01'] print(min(a) * 2) ```
output
1
78,068
8
156,137
Provide a correct Python 3 solution for this coding contest problem. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that character is `1`. You can perform the following operation an...
instruction
0
78,069
8
156,138
"Correct Solution: ``` S = input() print(2 * min(S.count('0'), S.count('1'))) ```
output
1
78,069
8
156,139
Provide a correct Python 3 solution for this coding contest problem. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that character is `1`. You can perform the following operation an...
instruction
0
78,070
8
156,140
"Correct Solution: ``` b=input() A=b.count("1") B=b.count("0") print(min(2*A,2*B)) ```
output
1
78,070
8
156,141
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that chara...
instruction
0
78,071
8
156,142
Yes
output
1
78,071
8
156,143
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that chara...
instruction
0
78,072
8
156,144
Yes
output
1
78,072
8
156,145
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that chara...
instruction
0
78,073
8
156,146
Yes
output
1
78,073
8
156,147
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that chara...
instruction
0
78,074
8
156,148
Yes
output
1
78,074
8
156,149
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that chara...
instruction
0
78,075
8
156,150
No
output
1
78,075
8
156,151
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that chara...
instruction
0
78,076
8
156,152
No
output
1
78,076
8
156,153
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that chara...
instruction
0
78,077
8
156,154
No
output
1
78,077
8
156,155
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are N cubes stacked vertically on a desk. You are given a string S of length N. The color of the i-th cube from the bottom is red if the i-th character in S is `0`, and blue if that chara...
instruction
0
78,078
8
156,156
No
output
1
78,078
8
156,157
Provide a correct Python 3 solution for this coding contest problem. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this room is represented by a character A_{i,j}. If A_{i,j}=...
instruction
0
78,127
8
156,254
"Correct Solution: ``` import itertools, math, collections, sys input = sys.stdin.readline H, W, K = [int(_) for _ in input().split()] A = [list(input()) for _ in range(H)] for i, j in itertools.product(range(H), range(W)): if A[i][j] == 'S': break Q = collections.deque([[i, j, 0]]) sH = set() sW = set() wh...
output
1
78,127
8
156,255
Provide a correct Python 3 solution for this coding contest problem. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this room is represented by a character A_{i,j}. If A_{i,j}=...
instruction
0
78,128
8
156,256
"Correct Solution: ``` from collections import defaultdict, deque, Counter from heapq import heappush, heappop, heapify import math import bisect import random from itertools import permutations, accumulate, combinations, product import sys from pprint import pprint from copy import deepcopy import string from bisect i...
output
1
78,128
8
156,257
Provide a correct Python 3 solution for this coding contest problem. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this room is represented by a character A_{i,j}. If A_{i,j}=...
instruction
0
78,129
8
156,258
"Correct Solution: ``` from collections import deque H, W, K = map(int, input().split()) A = [[0 for _ in range(W)] for _ in range(H)] for i in range(H): A_i_x = input() for j in range(W): A[i][j] = A_i_x[j] if A_i_x[j] == 'S': start_h = i start_w = j dist_from_exit = [...
output
1
78,129
8
156,259
Provide a correct Python 3 solution for this coding contest problem. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this room is represented by a character A_{i,j}. If A_{i,j}=...
instruction
0
78,130
8
156,260
"Correct Solution: ``` def examA(): A, B, C = LI() S = A+B+C cur = 0 for i in range(32): if A%2==1 or B%2==1 or C%2==1: break A = (S-A)//2 B = (S-B)//2 C = (S-C)//2 cur +=1 if cur==32: ans = -1 else: ans = cur print(ans) ...
output
1
78,130
8
156,261
Provide a correct Python 3 solution for this coding contest problem. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this room is represented by a character A_{i,j}. If A_{i,j}=...
instruction
0
78,131
8
156,262
"Correct Solution: ``` import sys from collections import deque input = sys.stdin.readline inf = 10**8 DX = (-1, 0, 1, 0, -1, -1, 1, 1) DY = (0, 1, 0, -1, -1, 1, -1, 1) DX = DX[:4] DY = DY[:4] H, W, K = map(int, input().split()) grid = [input().rstrip() for _ in range(H)] dist = [[inf]*W for _ in range(H)] node = d...
output
1
78,131
8
156,263
Provide a correct Python 3 solution for this coding contest problem. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this room is represented by a character A_{i,j}. If A_{i,j}=...
instruction
0
78,132
8
156,264
"Correct Solution: ``` from collections import deque h,w,k = map(int,input().split()) a = [] for i in range(h): b = input() tmp = [] for j in range(w): tmp.append(b[j]) if b[j] == "S": sx = i sy = j a.append(tmp) ma = [[0]*w for i in range(h)] def dfs(x,y,z): if ma[x][y] == 1: return ...
output
1
78,132
8
156,265
Provide a correct Python 3 solution for this coding contest problem. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this room is represented by a character A_{i,j}. If A_{i,j}=...
instruction
0
78,133
8
156,266
"Correct Solution: ``` from collections import deque H,W,K=map(int,input().split()) A=[list(input())for _ in range(H)] y,x=(0,0) for i, a in enumerate(A): if"S"in a:y,x=(i,a.index("S")) d=1e9 Q=deque([(0,y,x)]) while Q: c,i,j=Q.popleft() d=min(d,i,j,H-i-1,W-j-1) if d<1:break if c>=K:continue for ni,nj in((i+1,j),...
output
1
78,133
8
156,267
Provide a correct Python 3 solution for this coding contest problem. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this room is represented by a character A_{i,j}. If A_{i,j}=...
instruction
0
78,134
8
156,268
"Correct Solution: ``` h, w, k = [ int(v) for v in input().split() ] field = [ list(input()) for i in range(h) ] adjust_list = ((0,1),(0,-1),(1,0),(-1,0)) for i in range(h): for j in range(w): if field[i][j] == "S": s = (i,j) def nearest(y, x): return min(y,h-1-y,x,w-1-x) def bfs(): ...
output
1
78,134
8
156,269
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this...
instruction
0
78,135
8
156,270
Yes
output
1
78,135
8
156,271
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this...
instruction
0
78,136
8
156,272
Yes
output
1
78,136
8
156,273
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this...
instruction
0
78,137
8
156,274
Yes
output
1
78,137
8
156,275
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this...
instruction
0
78,138
8
156,276
Yes
output
1
78,138
8
156,277
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this...
instruction
0
78,139
8
156,278
No
output
1
78,139
8
156,279
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this...
instruction
0
78,140
8
156,280
No
output
1
78,140
8
156,281
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this...
instruction
0
78,141
8
156,282
No
output
1
78,141
8
156,283
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Takahashi is locked within a building. This building consists of H×W rooms, arranged in H rows and W columns. We will denote the room at the i-th row and j-th column as (i,j). The state of this...
instruction
0
78,142
8
156,284
No
output
1
78,142
8
156,285
Provide a correct Python 3 solution for this coding contest problem. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he decided to head for there. Finally he found n islands that ...
instruction
0
78,207
8
156,414
"Correct Solution: ``` while 1: n=int(input()) if n==0:break a=[tuple(map(int,reversed(input().split()))) for _ in range(n)] a.sort() w=0 for x,y in a: w+=y if x<w:print('No');break else:print('Yes') ```
output
1
78,207
8
156,415
Provide a correct Python 3 solution for this coding contest problem. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he decided to head for there. Finally he found n islands that ...
instruction
0
78,208
8
156,416
"Correct Solution: ``` while 1: N = int(input()) if N == 0: break P = [list(map(int, input().split())) for i in range(N)] P.sort(key=lambda x: (-x[1], x[0])) su = sum(w for w, s in P) for w, s in P: if s < su: print("No") break su -= w else: ...
output
1
78,208
8
156,417
Provide a correct Python 3 solution for this coding contest problem. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he decided to head for there. Finally he found n islands that ...
instruction
0
78,209
8
156,418
"Correct Solution: ``` while True: n = int(input()) if n == 0: break z = sorted([tuple(map(int, input().split())) for _ in range(n)], key=lambda x: x[1]) cnt = total = 0 for a, b in z: total += a if total > b: break cnt += 1 print("Yes" if cnt == n el...
output
1
78,209
8
156,419
Provide a correct Python 3 solution for this coding contest problem. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he decided to head for there. Finally he found n islands that ...
instruction
0
78,210
8
156,420
"Correct Solution: ``` while True: n = int(input()) if n == 0: break lst = sorted([list(map(int, input().split())) for _ in range(n)], key=lambda x:x[-1]) acc = 0 for w, b in lst: acc += w if acc > b: print("No") break else: print("Yes") ```
output
1
78,210
8
156,421
Provide a correct Python 3 solution for this coding contest problem. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he decided to head for there. Finally he found n islands that ...
instruction
0
78,211
8
156,422
"Correct Solution: ``` # AOJ 1052: Old Bridges # Python3 2018.7.7 bal4u while True: n = int(input()) if n == 0: break tbl = [list(map(int, input().split())) for i in range(n)] tbl.sort(key=lambda x:(x[1],x[0])) s, f = 0, True for v, w in tbl: s += v if s > w: f = False break print("Yes" if f else "No"...
output
1
78,211
8
156,423
Provide a correct Python 3 solution for this coding contest problem. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he decided to head for there. Finally he found n islands that ...
instruction
0
78,212
8
156,424
"Correct Solution: ``` while True: n = int(input()) if n == 0: break bridges = [] for _ in range(n): t, b = map(int, input().split()) bridges.append((t, b)) bridges.sort(key = lambda x: x[1]) flag = True sumt = 0 for t, b in bridges: sumt += t if ...
output
1
78,212
8
156,425
Provide a correct Python 3 solution for this coding contest problem. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he decided to head for there. Finally he found n islands that ...
instruction
0
78,213
8
156,426
"Correct Solution: ``` while True: n = int(input()) if n == 0: break z = sorted([tuple(map(int, input().split())) for _ in range(n)], key=lambda x: x[1]) total = 0 for a, b in z: total += a if total > b: print("No") break else: print("Yes"...
output
1
78,213
8
156,427
Provide a correct Python 3 solution for this coding contest problem. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he decided to head for there. Finally he found n islands that ...
instruction
0
78,214
8
156,428
"Correct Solution: ``` from sys import exit from functools import reduce from operator import add def f(): return [int(i) for i in input().split()] while True: flag = False n = int(input()) if not(n): exit() islands = [] for i in range(n): islands.append(f()) islands.sort(key=la...
output
1
78,214
8
156,429
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he deci...
instruction
0
78,215
8
156,430
Yes
output
1
78,215
8
156,431
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he deci...
instruction
0
78,216
8
156,432
Yes
output
1
78,216
8
156,433
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he deci...
instruction
0
78,217
8
156,434
No
output
1
78,217
8
156,435
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he deci...
instruction
0
78,218
8
156,436
No
output
1
78,218
8
156,437
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he deci...
instruction
0
78,219
8
156,438
No
output
1
78,219
8
156,439
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Long long ago, there was a thief. Looking for treasures, he was running about all over the world. One day, he heard a rumor that there were islands that had large amount of treasures, so he deci...
instruction
0
78,220
8
156,440
No
output
1
78,220
8
156,441
Provide tags and a correct Python 3 solution for this coding contest problem. Little girl Tanya climbs the stairs inside a multi-storey building. Every time Tanya climbs a stairway, she starts counting steps from 1 to the number of steps in this stairway. She speaks every number aloud. For example, if she climbs two s...
instruction
0
78,275
8
156,550
Tags: implementation Correct Solution: ``` """ Riyad mriyad94@gmail.com """ n = int(input()) arr = list(map(int, input().split())) ans = 1 ans_arr = list() for i in range(0, n-1): if arr[i] >= arr[i + 1]: ans_arr.append(arr[i]) ans = ans + 1 ans_arr.append(arr[n-1]) print(ans) print(*ans_arr) ``...
output
1
78,275
8
156,551
Provide tags and a correct Python 3 solution for this coding contest problem. Little girl Tanya climbs the stairs inside a multi-storey building. Every time Tanya climbs a stairway, she starts counting steps from 1 to the number of steps in this stairway. She speaks every number aloud. For example, if she climbs two s...
instruction
0
78,276
8
156,552
Tags: implementation Correct Solution: ``` n = int(input()) seq = [x for x in input().split()] print(seq.count("1")) ans = [] for i in range(1, n): if seq[i] == "1": ans.append(seq[i-1]) ans.append(seq[-1]) print(' '.join(ans)) ```
output
1
78,276
8
156,553
Provide tags and a correct Python 3 solution for this coding contest problem. Little girl Tanya climbs the stairs inside a multi-storey building. Every time Tanya climbs a stairway, she starts counting steps from 1 to the number of steps in this stairway. She speaks every number aloud. For example, if she climbs two s...
instruction
0
78,277
8
156,554
Tags: implementation Correct Solution: ``` '''input 5 1 2 1 2 1 ''' n = int(input()) l = [int(i) for i in input().split(" ")] + [0] ans = 0 m = [] for i in range(n): if l[i] != l[i + 1] - 1: ans += 1 m.append(l[i]) print(ans) print(*m) ```
output
1
78,277
8
156,555
Provide tags and a correct Python 3 solution for this coding contest problem. Little girl Tanya climbs the stairs inside a multi-storey building. Every time Tanya climbs a stairway, she starts counting steps from 1 to the number of steps in this stairway. She speaks every number aloud. For example, if she climbs two s...
instruction
0
78,278
8
156,556
Tags: implementation Correct Solution: ``` n=int(input()) s=list(map(int,input().split())) l=[] for i in range(1,n): if s[i] == 1: l.append(s[i-1]) l.append(s[-1]) print(s.count(1)) print(*l) ```
output
1
78,278
8
156,557
Provide tags and a correct Python 3 solution for this coding contest problem. Little girl Tanya climbs the stairs inside a multi-storey building. Every time Tanya climbs a stairway, she starts counting steps from 1 to the number of steps in this stairway. She speaks every number aloud. For example, if she climbs two s...
instruction
0
78,279
8
156,558
Tags: implementation Correct Solution: ``` #Codeforce 1005A num=int(input()) list1=[v for v in input().split()] stair=1 ans="" for i in range(num-1): if list1[i+1]=="1": stair+=1 ans+=(list1[i]+" ") else: pass ans+=list1[num-1] print(stair) print(ans) ```
output
1
78,279
8
156,559
Provide tags and a correct Python 3 solution for this coding contest problem. Little girl Tanya climbs the stairs inside a multi-storey building. Every time Tanya climbs a stairway, she starts counting steps from 1 to the number of steps in this stairway. She speaks every number aloud. For example, if she climbs two s...
instruction
0
78,280
8
156,560
Tags: implementation Correct Solution: ``` def Print(s): print(len(s)) for i in s: print(i,end=' ') n = int(input()) a = list(map(int,input().split())) s = [] for i in range(1,len(a)): if a[i] == 1: s.append(a[i-1]) s.append(a[len(a)-1]) Print(s) ```
output
1
78,280
8
156,561
Provide tags and a correct Python 3 solution for this coding contest problem. Little girl Tanya climbs the stairs inside a multi-storey building. Every time Tanya climbs a stairway, she starts counting steps from 1 to the number of steps in this stairway. She speaks every number aloud. For example, if she climbs two s...
instruction
0
78,281
8
156,562
Tags: implementation Correct Solution: ``` n = int(input()) array = list(map(int, input().split())) array.append(1) out = [] em = 0 for e in array: if e <= em: out.append(str(em)) em = e print(len(out)) print(' '.join(out)) ```
output
1
78,281
8
156,563