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 |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It is well known that Berland has n cities, which form the Silver ring — cities i and i + 1 (1 ≤ i < n) are connected by a road, as well as the cities n and 1. The goverment have decided to buil... | instruction | 0 | 56,656 | 1 | 113,312 |
No | output | 1 | 56,656 | 1 | 113,313 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him a useful hint: the resort has n objects (we wi... | instruction | 0 | 56,668 | 1 | 113,336 |
Tags: graphs
Correct Solution:
```
n = int(input())
t = [0] + list(map(int, input().split()))
a = [0] + list(map(int, input().split()))
res, cnt = [], [0] * (n + 1)
for i in a:
cnt[i] += 1
for i in range(1, n+1):
if t[i] == 0:
continue
curr_res = [i]
x = a[i]
while cnt[x] == 1:
cur... | output | 1 | 56,668 | 1 | 113,337 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him a useful hint: the resort has n objects (we wi... | instruction | 0 | 56,669 | 1 | 113,338 |
Tags: graphs
Correct Solution:
```
n = int(input())
t = [0] + list(map(int, input().split()))
a = [0] + list(map(int, input().split()))
ans, cnt = [], [0 for i in range(n + 1)]
for i in a:
cnt[i] += 1
for i in range(1, n + 1):
if t[i] == 1:
crt = [i]
x = a[i]
while cnt[x]... | output | 1 | 56,669 | 1 | 113,339 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him a useful hint: the resort has n objects (we wi... | instruction | 0 | 56,670 | 1 | 113,340 |
Tags: graphs
Correct Solution:
```
n = int(input())
t = [0] + list(map(int, input().split()))
a = [0] + list(map(int, input().split()))
ans, cnt = [], [0 for i in range(n + 1)]
for i in a:
cnt[i] += 1
for i in range(1, n + 1):
if t[i] == 1:
crt = [i]
x = a[i]
while cnt[x] == 1:
... | output | 1 | 56,670 | 1 | 113,341 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him a useful hint: the resort has n objects (we wi... | instruction | 0 | 56,671 | 1 | 113,342 |
Tags: graphs
Correct Solution:
```
import sys
def Z(s):
return int(s)-1
n=int(sys.stdin.readline())
Hotels=[False]*(n)
Rep=[0]*(n+1)
Chains=[]
Type=list(map(int,sys.stdin.readline().split()))
for i in range(n):
if(Type[i]==1):
Hotels[i]=True
A=list(map(Z,sys.stdin.readline().split()))
for item in A... | output | 1 | 56,671 | 1 | 113,343 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him a useful hint: the resort has n objects (we wi... | instruction | 0 | 56,672 | 1 | 113,344 |
Tags: graphs
Correct Solution:
```
n = int(input())
input_types = input().split(" ")
types = [int(i) for i in input_types]
input_vertex = input().split(" ")
prev = [0 for i in range(n)]
cntFrom =[0 for i in range(n)]
for i in range(n):
prev[i] = int(input_vertex[i])
prev[i] -= 1
if (prev[i] != -1):
... | output | 1 | 56,672 | 1 | 113,345 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him a useful hint: the resort has n objects (we wi... | instruction | 0 | 56,673 | 1 | 113,346 |
Tags: graphs
Correct Solution:
```
#!/usr/bin/python3
def readln(): return tuple(map(int, input().split()))
n, = readln()
t = (-1,) + readln()
v = (0,) + readln()
cnt = [0] * (n + 1)
for i in range(1, n + 1):
cnt[v[i]] += 1
ans = []
for i in range(1, n + 1):
if t[i] == 1:
j = i
tmp = [i]
... | output | 1 | 56,673 | 1 | 113,347 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him a useful hint: the resort has n objects (we wi... | instruction | 0 | 56,674 | 1 | 113,348 |
Tags: graphs
Correct Solution:
```
from collections import defaultdict
'''
from obhect ai-> i there is a path that exists
'''
blanc=[]
g=defaultdict(list)
n=int(input())
type=list(map(int,input().strip().split()))
path=list(map(int,input().strip().split()))
path=list(map(lambda s:s-1,path))
ans=[]
deg=[0]*(n)
for i ... | output | 1 | 56,674 | 1 | 113,349 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him a useful hint: the resort has n objects (we wi... | instruction | 0 | 56,675 | 1 | 113,350 |
Tags: graphs
Correct Solution:
```
import sys
def solve():
n = int(input())
types = list(map(int, input().split()))
a = list(map(int, input().split()))
res = list()
count = [0] * (n + 1)
for val in a:
count[val-1]+=1
for i in range(n):
if types[i] == 1:
temp = li... | output | 1 | 56,675 | 1 | 113,351 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him... | instruction | 0 | 56,676 | 1 | 113,352 |
Yes | output | 1 | 56,676 | 1 | 113,353 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him... | instruction | 0 | 56,677 | 1 | 113,354 |
Yes | output | 1 | 56,677 | 1 | 113,355 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him... | instruction | 0 | 56,678 | 1 | 113,356 |
Yes | output | 1 | 56,678 | 1 | 113,357 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him... | instruction | 0 | 56,679 | 1 | 113,358 |
No | output | 1 | 56,679 | 1 | 113,359 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him... | instruction | 0 | 56,680 | 1 | 113,360 |
No | output | 1 | 56,680 | 1 | 113,361 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him... | instruction | 0 | 56,681 | 1 | 113,362 |
No | output | 1 | 56,681 | 1 | 113,363 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Valera's finally decided to go on holiday! He packed up and headed for a ski resort.
Valera's fancied a ski trip but he soon realized that he could get lost in this new place. Somebody gave him... | instruction | 0 | 56,682 | 1 | 113,364 |
No | output | 1 | 56,682 | 1 | 113,365 |
Provide a correct Python 3 solution for this coding contest problem.
problem
One day, Taro, who lives in JOI town, decided to take a walk as a daily routine to improve his health. In JOI town, where Taro lives, he runs in the east-west direction as shown in the figure (H + 1). The road and the north-south direction (... | instruction | 0 | 57,092 | 1 | 114,184 |
"Correct Solution:
```
# -*- coding: utf-8 -*-
import sys
def input(): return sys.stdin.readline().strip()
def list2d(a, b, c): return [[c] * b for i in range(a)]
def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)]
def list4d(a, b, c, d, e): return [[[[e] * d for j in range(c)] for j in ran... | output | 1 | 57,092 | 1 | 114,185 |
Provide a correct Python 3 solution for this coding contest problem.
problem
One day, Taro, who lives in JOI town, decided to take a walk as a daily routine to improve his health. In JOI town, where Taro lives, he runs in the east-west direction as shown in the figure (H + 1). The road and the north-south direction (... | instruction | 0 | 57,093 | 1 | 114,186 |
"Correct Solution:
```
def solve():
while True:
h,w,n = map(int,input().split())
if not h: break
sss = [[1 if s == "1" else 0 for s in input().split()] for i in range(h)]
dp = [[0 for i in range(w + 1)] for j in range(h + 1)]
dp[0][0] = n - 1
for x in range(h):
for y in range(w):
... | output | 1 | 57,093 | 1 | 114,187 |
Provide a correct Python 3 solution for this coding contest problem.
problem
One day, Taro, who lives in JOI town, decided to take a walk as a daily routine to improve his health. In JOI town, where Taro lives, he runs in the east-west direction as shown in the figure (H + 1). The road and the north-south direction (... | instruction | 0 | 57,094 | 1 | 114,188 |
"Correct Solution:
```
def solve():
while True:
h,w,n = map(int,input().split())
if not h: break
mp = [[int(s) for s in input().split()] for i in range(h)]
dp = [[0 for i in range(w + 1)] for j in range(h + 1)]
dp[0][0] = n - 1
for x in range(h):
dpx = dp[x]
dpxp = dp[x + 1]
... | output | 1 | 57,094 | 1 | 114,189 |
Provide a correct Python 3 solution for this coding contest problem.
problem
One day, Taro, who lives in JOI town, decided to take a walk as a daily routine to improve his health. In JOI town, where Taro lives, he runs in the east-west direction as shown in the figure (H + 1). The road and the north-south direction (... | instruction | 0 | 57,095 | 1 | 114,190 |
"Correct Solution:
```
def solve():
while True:
h,w,n = map(int,input().split())
if not h: break
sss = [[1 if s == "1" else 0 for s in input().split()] for i in range(h)]
dp = [[0 for i in range(w + 1)] for j in range(h + 1)]
dp[0][0] = n - 1
for x in range(h):
for y in range(w):
... | output | 1 | 57,095 | 1 | 114,191 |
Provide a correct Python 3 solution for this coding contest problem.
problem
One day, Taro, who lives in JOI town, decided to take a walk as a daily routine to improve his health. In JOI town, where Taro lives, he runs in the east-west direction as shown in the figure (H + 1). The road and the north-south direction (... | instruction | 0 | 57,096 | 1 | 114,192 |
"Correct Solution:
```
while True:
h,w,n = map(int, input().split())
if h==0: break
mapp = []
for i in range(h):
hoge = list(map(int,input().split()))
hoge.append(0)
mapp.append(hoge)
mapp.append([0]*(w+1))
n -= 1
nmap = [[0]*(w+1) for _ in range(h+1)]
nmap[... | output | 1 | 57,096 | 1 | 114,193 |
Provide a correct Python 3 solution for this coding contest problem.
problem
One day, Taro, who lives in JOI town, decided to take a walk as a daily routine to improve his health. In JOI town, where Taro lives, he runs in the east-west direction as shown in the figure (H + 1). The road and the north-south direction (... | instruction | 0 | 57,097 | 1 | 114,194 |
"Correct Solution:
```
while True:
h,w,n = map(int,input().split())
if not h: break
sss = [[1 if s == "1" else 0 for s in input().split()] for i in range(h)]
dp = [[0 for i in range(w + 1)] for j in range(h + 1)]
dp[0][0] = n - 1
for x in range(h):
for y in range(w):
a = dp[x][y]
if sss[x][y... | output | 1 | 57,097 | 1 | 114,195 |
Provide a correct Python 3 solution for this coding contest problem.
problem
One day, Taro, who lives in JOI town, decided to take a walk as a daily routine to improve his health. In JOI town, where Taro lives, he runs in the east-west direction as shown in the figure (H + 1). The road and the north-south direction (... | instruction | 0 | 57,098 | 1 | 114,196 |
"Correct Solution:
```
#!/usr/bin/env python
import string
import sys
from itertools import chain, takewhile
def read(
f, *shape, it=chain.from_iterable(sys.stdin), whitespaces=set(string.whitespace)
):
def read_word():
return f("".join(takewhile(lambda c: c not in whitespaces, it)).strip())
if n... | output | 1 | 57,098 | 1 | 114,197 |
Provide a correct Python 3 solution for this coding contest problem.
problem
One day, Taro, who lives in JOI town, decided to take a walk as a daily routine to improve his health. In JOI town, where Taro lives, he runs in the east-west direction as shown in the figure (H + 1). The road and the north-south direction (... | instruction | 0 | 57,099 | 1 | 114,198 |
"Correct Solution:
```
def main():
while True:
import sys
input=sys.stdin.readline
h,w,n=map(int,input().split())
if h==0:
break
grid=[list(map(int,input().split())) for _ in [0]*h]
dp=[[0]*(w+1) for _ in [0]*(h+1)]
dp[0][0]=n-1
for k in ra... | output | 1 | 57,099 | 1 | 114,199 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
problem
One day, Taro, who lives in JOI town, decided to take a walk as a daily routine to improve his health. In JOI town, where Taro lives, he runs in the east-west direction as shown in the ... | instruction | 0 | 57,100 | 1 | 114,200 |
No | output | 1 | 57,100 | 1 | 114,201 |
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 | 57,266 | 1 | 114,532 |
Tags: combinatorics, dfs and similar, dsu, graphs
Correct Solution:
```
import sys
import threading
from collections import deque
def func():
lines = sys.stdin.readlines()
nxt = 0
t = int(lines[nxt])
nxt += 1
ans = []
for _ in range(t):
n,m,a,b = map(int, lines[nxt].split())
nxt... | output | 1 | 57,266 | 1 | 114,533 |
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 | 57,267 | 1 | 114,534 |
Tags: combinatorics, dfs and similar, dsu, graphs
Correct Solution:
```
# aとbを結ぶ辺を縮約して、一つの頂点としたとき、それ以外の頂点の数
# aだけからbを超えずにいける集合と、bだけからaを超えずにいける集合
import sys
reader = (s.rstrip() for s in sys.stdin)
input = reader.__next__
from collections import deque
def BFS(start, dont, G):
que = deque()
que.append(start)
... | output | 1 | 57,267 | 1 | 114,535 |
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 | 57,268 | 1 | 114,536 |
Tags: combinatorics, dfs and similar, dsu, graphs
Correct Solution:
```
def solve():
N, M, A, B = map(int, input().split())
roads = [list(map(lambda x:int(x)-1, input().split())) for _ in range(M)]
A -= 1
B -= 1
adj = [[] for _ in range(N)]
for a, b in roads:
adj[a].append(b)
ad... | output | 1 | 57,268 | 1 | 114,537 |
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 | 57,269 | 1 | 114,538 |
Tags: combinatorics, dfs and similar, dsu, graphs
Correct Solution:
```
class UnionFind():
# 作りたい要素数nで初期化
def __init__(self, n):
self.n = n
self.root = [-1]*(n+1)
self.rnk = [0]*(n+1)
# ノードxのrootノードを見つける
def Find_Root(self, x):
if(self.root[x] < 0):
return x
... | output | 1 | 57,269 | 1 | 114,539 |
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 | 57,270 | 1 | 114,540 |
Tags: combinatorics, dfs and similar, dsu, graphs
Correct Solution:
```
from collections import deque
def solveOne():
nVertices, nEdges, v1, v2 = map(int, input().split())
v1 -= 1
v2 -= 1
g = [[] for _ in range(nVertices)]
for _ in range(nEdges):
u, v = map(lambda x: int(x) - 1, input().spl... | output | 1 | 57,270 | 1 | 114,541 |
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 | 57,271 | 1 | 114,542 |
Tags: combinatorics, dfs and similar, dsu, graphs
Correct Solution:
```
#########################################################################################################\
#########################################################################################################
###################################... | output | 1 | 57,271 | 1 | 114,543 |
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 | 57,272 | 1 | 114,544 |
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
int_input=lambda : int(stdin.readline())
string_input=lambda : stdin.... | output | 1 | 57,272 | 1 | 114,545 |
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 | 57,273 | 1 | 114,546 |
Tags: combinatorics, dfs and similar, dsu, graphs
Correct Solution:
```
for t in range(int(input())):
n, m, a, b = map(int, input(). split())
neigh_cities = [[] for i in range(n+1)]
for i in range(m):
x, y = map(int, input(). split())
neigh_cities[x].append(y)
neigh_cities[y].append(... | output | 1 | 57,273 | 1 | 114,547 |
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 | 57,274 | 1 | 114,548 |
Yes | output | 1 | 57,274 | 1 | 114,549 |
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 | 57,275 | 1 | 114,550 |
Yes | output | 1 | 57,275 | 1 | 114,551 |
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 | 57,276 | 1 | 114,552 |
Yes | output | 1 | 57,276 | 1 | 114,553 |
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 | 57,277 | 1 | 114,554 |
Yes | output | 1 | 57,277 | 1 | 114,555 |
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 | 57,278 | 1 | 114,556 |
No | output | 1 | 57,278 | 1 | 114,557 |
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 | 57,279 | 1 | 114,558 |
No | output | 1 | 57,279 | 1 | 114,559 |
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 | 57,280 | 1 | 114,560 |
No | output | 1 | 57,280 | 1 | 114,561 |
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 | 57,281 | 1 | 114,562 |
No | output | 1 | 57,281 | 1 | 114,563 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
James Bond has a new plan for catching his enemy. There are some cities and directed roads between them, such that it is possible to travel between any two cities using these roads. When the ene... | instruction | 0 | 57,282 | 1 | 114,564 |
No | output | 1 | 57,282 | 1 | 114,565 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
James Bond has a new plan for catching his enemy. There are some cities and directed roads between them, such that it is possible to travel between any two cities using these roads. When the ene... | instruction | 0 | 57,283 | 1 | 114,566 |
No | output | 1 | 57,283 | 1 | 114,567 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
James Bond has a new plan for catching his enemy. There are some cities and directed roads between them, such that it is possible to travel between any two cities using these roads. When the ene... | instruction | 0 | 57,284 | 1 | 114,568 |
No | output | 1 | 57,284 | 1 | 114,569 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
James Bond has a new plan for catching his enemy. There are some cities and directed roads between them, such that it is possible to travel between any two cities using these roads. When the ene... | instruction | 0 | 57,285 | 1 | 114,570 |
No | output | 1 | 57,285 | 1 | 114,571 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bearland has n cities, numbered 1 through n. Cities are connected via bidirectional roads. Each road connects two distinct cities. No two roads connect the same pair of cities.
Bear Limak was once in a city a and he wanted to go to a city b... | instruction | 0 | 57,603 | 1 | 115,206 |
Tags: constructive algorithms, graphs
Correct Solution:
```
import io,os
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
n, k = map(int, input().split())
a, b, c, d = map(int, input().split())
x = [a, b, c, d]
if k < n + 1 or n == 4:
print("-1")
exit(0)
l = [_ for _ in range(1, n + 1)]
for i in x: l... | output | 1 | 57,603 | 1 | 115,207 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bearland has n cities, numbered 1 through n. Cities are connected via bidirectional roads. Each road connects two distinct cities. No two roads connect the same pair of cities.
Bear Limak was once in a city a and he wanted to go to a city b... | instruction | 0 | 57,604 | 1 | 115,208 |
Tags: constructive algorithms, graphs
Correct Solution:
```
import sys
print = sys.stdout.write
n, k = map(int, input().split())
a, b, c, d = map(int, input().split())
if n == 4 or k < n+1:
print("-1\n")
exit()
print(f"{a} {c} ")
for i in range(1, n+1):
if i not in (a, b, c, d):
print(f"{i} ")
print... | output | 1 | 57,604 | 1 | 115,209 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bearland has n cities, numbered 1 through n. Cities are connected via bidirectional roads. Each road connects two distinct cities. No two roads connect the same pair of cities.
Bear Limak was once in a city a and he wanted to go to a city b... | instruction | 0 | 57,605 | 1 | 115,210 |
Tags: constructive algorithms, graphs
Correct Solution:
```
def main():
(n, k) = (int(x) for x in input().split())
(a, b, c, d) = (int(x) for x in input().split())
(path1, path2) = solver(n, k, a, b, c, d)
if path1 == None:
print(-1)
else:
for x in path1:
print(x, end = ' ')
print()
for x in path2:
p... | output | 1 | 57,605 | 1 | 115,211 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bearland has n cities, numbered 1 through n. Cities are connected via bidirectional roads. Each road connects two distinct cities. No two roads connect the same pair of cities.
Bear Limak was once in a city a and he wanted to go to a city b... | instruction | 0 | 57,606 | 1 | 115,212 |
Tags: constructive algorithms, graphs
Correct Solution:
```
import io,os
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline
n, k = map(int, input().split())
a, b, c, d = map(int, input().split())
if k < n + 1 or n == 4:
print("-1")
exit(0)
l = [_ for _ in range(1, n + 1)]
l.remove(a)
l.remove(b)
l.remo... | output | 1 | 57,606 | 1 | 115,213 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bearland has n cities, numbered 1 through n. Cities are connected via bidirectional roads. Each road connects two distinct cities. No two roads connect the same pair of cities.
Bear Limak was once in a city a and he wanted to go to a city b... | instruction | 0 | 57,607 | 1 | 115,214 |
Tags: constructive algorithms, graphs
Correct Solution:
```
n, k = input().split(' ')
n = int(n)
k = int(k)
a,b,c,d = input().split(' ')
a,b,c,d = int(a),int(b),int(c),int(d)
if k <= n:
print(-1)
exit()
if n == 4:
print(-1)
exit()
city = list(range(1,n+1))
road = [a,c]
for i in range(len(city)):
if city[i] no... | output | 1 | 57,607 | 1 | 115,215 |
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