message
stringlengths
2
22.8k
message_type
stringclasses
2 values
message_id
int64
0
1
conversation_id
int64
16
109k
cluster
float64
1
1
__index_level_0__
int64
32
217k
Provide a correct Python 3 solution for this coding contest problem. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat services between these islands. Each service connects two i...
instruction
0
18,408
1
36,816
"Correct Solution: ``` if __name__ == '__main__': N, M = list(map(int, input().split())) a = [] b = [] for i in range(M): tmp_a, tmp_b = list(map(int, input().split())) a.append(tmp_a) b.append(tmp_b) c = set([b[i] for i in range(0, M) if a[i] == 1]) for i in range(0, M...
output
1
18,408
1
36,817
Provide a correct Python 3 solution for this coding contest problem. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat services between these islands. Each service connects two i...
instruction
0
18,409
1
36,818
"Correct Solution: ``` import sys from collections import deque input = sys.stdin.readline n, m = map(int, input().split()) g = [[] for _ in range(n)] for i in range(m): a, b = map(int, input().split()) g[a - 1].append(b - 1) g[b - 1].append(a - 1) q = deque([0]) dis = [-1] * n dis[0] = 0 while q: d = q.popleft...
output
1
18,409
1
36,819
Provide a correct Python 3 solution for this coding contest problem. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat services between these islands. Each service connects two i...
instruction
0
18,410
1
36,820
"Correct Solution: ``` from collections import deque N,M=list(map(int,input().split())) N_l=set() one_l=set() for i in range(M): A,B=list(map(int,input().split())) if A == 1: one_l.add(B) elif B==N: N_l.add(A) if len(N_l & one_l) > 0: print("POSSIBLE") else: print("IMPOSSIBLE") ```
output
1
18,410
1
36,821
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat ser...
instruction
0
18,411
1
36,822
Yes
output
1
18,411
1
36,823
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat ser...
instruction
0
18,412
1
36,824
Yes
output
1
18,412
1
36,825
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat ser...
instruction
0
18,413
1
36,826
Yes
output
1
18,413
1
36,827
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat ser...
instruction
0
18,414
1
36,828
Yes
output
1
18,414
1
36,829
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat ser...
instruction
0
18,415
1
36,830
No
output
1
18,415
1
36,831
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat ser...
instruction
0
18,416
1
36,832
No
output
1
18,416
1
36,833
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat ser...
instruction
0
18,417
1
36,834
No
output
1
18,417
1
36,835
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In Takahashi Kingdom, there is an archipelago of N islands, called Takahashi Islands. For convenience, we will call them Island 1, Island 2, ..., Island N. There are M kinds of regular boat ser...
instruction
0
18,418
1
36,836
No
output
1
18,418
1
36,837
Provide a correct Python 3 solution for this coding contest problem. Ekiden competitions are held every year in Aizukuni. The country of Aiz is dotted with N towns, each numbered from 1 to N. Several towns are connected by roads that allow them to come and go directly to each other. You can also follow several roads b...
instruction
0
18,473
1
36,946
"Correct Solution: ``` from heapq import heappush, heappop from collections import deque n, r = map(int, input().split()) G = [[] for i in range(n)] for i in range(r): s, t, d = map(int, input().split()) G[s-1].append((t-1, d)) G[t-1].append((s-1, d)) INF = 10**18 def dijkstra(s): dist = [INF]*n di...
output
1
18,473
1
36,947
Provide tags and a correct Python 3 solution for this coding contest problem. Johnny drives a truck and must deliver a package from his hometown to the district center. His hometown is located at point 0 on a number line, and the district center is located at the point d. Johnny's truck has a gas tank that holds exac...
instruction
0
18,984
1
37,968
Tags: data structures, divide and conquer, greedy Correct Solution: ``` #!/usr/bin/env python3 from heapq import heappop, heappush # from collections import defaultdict def pprint(*args): print(*args) def discard_earlier(h, pos): while h and h[0][1] <= pos: heappop(h) end, max_fuel, num_stations...
output
1
18,984
1
37,969
Provide tags and a correct Python 3 solution for this coding contest problem. Johnny drives a truck and must deliver a package from his hometown to the district center. His hometown is located at point 0 on a number line, and the district center is located at the point d. Johnny's truck has a gas tank that holds exac...
instruction
0
18,985
1
37,970
Tags: data structures, divide and conquer, greedy Correct Solution: ``` destination, max_gas_tank_volume, gas_prices_number = map(int, input().split()) start_point = 0 gas_prices = {start_point:0} for i in range(gas_prices_number): coordinate, price = map(int, input().split()) gas_prices[coordinate] = price poi...
output
1
18,985
1
37,971
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Johnny drives a truck and must deliver a package from his hometown to the district center. His hometown is located at point 0 on a number line, and the district center is located at the point d....
instruction
0
18,986
1
37,972
No
output
1
18,986
1
37,973
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Johnny drives a truck and must deliver a package from his hometown to the district center. His hometown is located at point 0 on a number line, and the district center is located at the point d....
instruction
0
18,987
1
37,974
No
output
1
18,987
1
37,975
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Johnny drives a truck and must deliver a package from his hometown to the district center. His hometown is located at point 0 on a number line, and the district center is located at the point d....
instruction
0
18,988
1
37,976
No
output
1
18,988
1
37,977
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Johnny drives a truck and must deliver a package from his hometown to the district center. His hometown is located at point 0 on a number line, and the district center is located at the point d....
instruction
0
18,989
1
37,978
No
output
1
18,989
1
37,979
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated from 1 to n. Two fairs are currently taking pla...
instruction
0
19,542
1
39,084
Tags: combinatorics, dfs and similar, dsu, graphs Correct Solution: ``` # ------------------- fast io -------------------- import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = By...
output
1
19,542
1
39,085
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated from 1 to n. Two fairs are currently taking pla...
instruction
0
19,543
1
39,086
Tags: combinatorics, dfs and similar, dsu, graphs Correct Solution: ``` import heapq import math from collections import * from functools import reduce,cmp_to_key import sys input = sys.stdin.readline M = mod = 10**9 + 7 def factors(n):return sorted(list(set(reduce(list.__add__,([i, n//i] for i in range(1, int(n**0.5)...
output
1
19,543
1
39,087
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated from 1 to n. Two fairs are currently taking pla...
instruction
0
19,544
1
39,088
Tags: combinatorics, dfs and similar, dsu, graphs Correct Solution: ``` # Author : nitish420 -------------------------------------------------------------------- import os import sys from io import BytesIO, IOBase from collections import deque def main(): for _ in range(int(input())): n,m,a,b=map(int,input().spli...
output
1
19,544
1
39,089
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated from 1 to n. Two fairs are currently taking pla...
instruction
0
19,545
1
39,090
Tags: combinatorics, dfs and similar, dsu, graphs Correct Solution: ``` import sys from collections import deque input = sys.stdin.readline def Solve(G, a, b): #los argumentos son G(grafo) donde están todos los vértices y cada vértice tiene asociado sus adyancentes, a y b son las ciudades donde se encuentran las feri...
output
1
19,545
1
39,091
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated from 1 to n. Two fairs are currently taking pla...
instruction
0
19,546
1
39,092
Tags: combinatorics, dfs and similar, dsu, graphs Correct Solution: ``` from heapq import heappush,heappop,heapify from collections import deque,defaultdict,Counter import itertools from itertools import permutations,combinations import sys import bisect import string import math import time #import random def I(): ...
output
1
19,546
1
39,093
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated from 1 to n. Two fairs are currently taking pla...
instruction
0
19,547
1
39,094
Tags: combinatorics, dfs and similar, dsu, graphs Correct Solution: ``` import sys input = sys.stdin.readline def dfs(g, i, e, n): vis = [0]*(n+1) s = [i] ans=set() while len(s)>0: top = s[-1] s.pop() if vis[top]==1 or top==e: continue vis[top]=1 ans.a...
output
1
19,547
1
39,095
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated from 1 to n. Two fairs are currently taking pla...
instruction
0
19,548
1
39,096
Tags: combinatorics, dfs and similar, dsu, graphs Correct Solution: ``` import sys from collections import deque input = sys.stdin.readline def Solve(G, a, b): visited = [False]*len(G) visited [a] = True count = 0 stack = deque() for v in G[a]: if not visited[v]: stack.append(v...
output
1
19,548
1
39,097
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated from 1 to n. Two fairs are currently taking pla...
instruction
0
19,549
1
39,098
Tags: combinatorics, dfs and similar, dsu, graphs Correct Solution: ``` from collections import defaultdict, deque from itertools import permutations from sys import stdin, stdout from bisect import bisect_left, bisect_right from copy import deepcopy MOD = pow(10, 9)+7 test = int(stdin.readline()) set1 = [] n = 0 ...
output
1
19,549
1
39,099
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated f...
instruction
0
19,550
1
39,100
Yes
output
1
19,550
1
39,101
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated f...
instruction
0
19,551
1
39,102
Yes
output
1
19,551
1
39,103
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated f...
instruction
0
19,552
1
39,104
Yes
output
1
19,552
1
39,105
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated f...
instruction
0
19,553
1
39,106
Yes
output
1
19,553
1
39,107
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated f...
instruction
0
19,554
1
39,108
No
output
1
19,554
1
39,109
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated f...
instruction
0
19,555
1
39,110
No
output
1
19,555
1
39,111
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated f...
instruction
0
19,556
1
39,112
No
output
1
19,556
1
39,113
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city to any other, moving along the roads. Cities are numerated f...
instruction
0
19,557
1
39,114
No
output
1
19,557
1
39,115
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Due to the success of TWICE, JYP Entertainment has earned countless money and emerged as the biggest entertainment firm by market capitalization. Therefore, the boss, JYP, has decided to create ...
instruction
0
19,590
1
39,180
No
output
1
19,590
1
39,181
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Due to the success of TWICE, JYP Entertainment has earned countless money and emerged as the biggest entertainment firm by market capitalization. Therefore, the boss, JYP, has decided to create ...
instruction
0
19,591
1
39,182
No
output
1
19,591
1
39,183
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n -...
instruction
0
19,705
1
39,410
Tags: greedy Correct Solution: ``` def STR(): return list(input()) def INT(): return int(input()) def MAP(): return map(int, input().split()) def MAP2():return map(float,input().split()) def LIST(): return list(map(int, input().split())) def STRING(): return input() import string import sys import datetime from heapq ...
output
1
19,705
1
39,411
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n -...
instruction
0
19,706
1
39,412
Tags: greedy Correct Solution: ``` from math import ceil X = list(map(int, input().split())) Distance = list(map(int, input().split())) Fuel = list(map(int, input().split())) Tank, Time, Max = 0, 0, 0 for i in range(X[0]): Tank += Fuel[i] Max = max(Max, Fuel[i]) Stay = max(0, ceil((Distance[i] - Tank) / Ma...
output
1
19,706
1
39,413
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n -...
instruction
0
19,707
1
39,414
Tags: greedy Correct Solution: ``` estradas,k = [int(i) for i in input().split()] d = [int(i) for i in input().split()] s = [int(i) for i in input().split()] fuel = 0 time = 0 currMax = 0 for i in range(estradas): fuel+=s[i] currMax = max(currMax,s[i]) while(fuel<d[i]): time+=k fuel...
output
1
19,707
1
39,415
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n -...
instruction
0
19,708
1
39,416
Tags: greedy Correct Solution: ``` m,k=map(int,input().split()) D=list(map(int,input().split())) S=list(map(int,input().split())) ans=0 fuel=S[0] maxx=S[0] for i in range(m): if(D[i]>fuel): x=D[i]-fuel y=x//maxx if(x%maxx>0): y+=1 ans+=y*k fuel+=maxx*...
output
1
19,708
1
39,417
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n -...
instruction
0
19,709
1
39,418
Tags: greedy Correct Solution: ``` # CF 241/A 1300 # S = supply in city i # D = distance from c[i] to c[i + 1] # k = refresh interval # min time to arrive at C[n] where n = m + 1 def f(k, D, S): n = len(D) # travel time is at least the sum of all distances time = sum(D) fuel = 0 best = 0 fo...
output
1
19,709
1
39,419
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n -...
instruction
0
19,710
1
39,420
Tags: greedy Correct Solution: ``` m,k=map(int,input().split()) d = list(map(int,input().split())) s = list(map(int,input().split())) cap=0 dis=0 ma=0 time=0 for i in range(m): dis=d[i] cap+=(s[i]-d[i]) time+=d[i] ma=max(ma,s[i]) if cap<0: while cap<0: cap+=ma time+=k...
output
1
19,710
1
39,421
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n -...
instruction
0
19,711
1
39,422
Tags: greedy Correct Solution: ``` import math class CodeforcesTask241ASolution: def __init__(self): self.result = '' self.m_k = [] self.distances = [] self.supplies = [] def read_input(self): self.m_k = [int(x) for x in input().split(" ")] self.distances = [in...
output
1
19,711
1
39,423
Provide tags and a correct Python 3 solution for this coding contest problem. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n -...
instruction
0
19,712
1
39,424
Tags: greedy Correct Solution: ``` def main(): import sys input = sys.stdin.readline m, k = map(int, input().split()) d = list(map(int, input().split())) s = list(map(int, input().split())) t = 0 f = 0 ma = 0 for i in range(m): f += s[i] ma = max(ma, s[i])...
output
1
19,712
1
39,425
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel...
instruction
0
19,713
1
39,426
Yes
output
1
19,713
1
39,427
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel...
instruction
0
19,714
1
39,428
Yes
output
1
19,714
1
39,429
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel...
instruction
0
19,715
1
39,430
Yes
output
1
19,715
1
39,431
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel...
instruction
0
19,716
1
39,432
Yes
output
1
19,716
1
39,433
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel...
instruction
0
19,717
1
39,434
No
output
1
19,717
1
39,435
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel...
instruction
0
19,718
1
39,436
No
output
1
19,718
1
39,437