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.
There is a circular pond with a perimeter of K meters, and N houses around them.
The i-th house is built at a distance of A_i meters from the northmost point of the pond, measured clockwise aro... | instruction | 0 | 76,488 | 1 | 152,976 |
No | output | 1 | 76,488 | 1 | 152,977 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight line (well, it's not that straight in reality, ... | instruction | 0 | 76,684 | 1 | 153,368 |
Tags: combinatorics, math, probabilities
Correct Solution:
```
from sys import stdin, stdout
def main():
p = 998244353 # Constante brindada por el problema
n = int(stdin.readline())
a = list(readline())
answer = a[-1]
pow_ = 1 # Potencia de 2
for i in range(n - 1, 0, -1): # Se analizan toda... | output | 1 | 76,684 | 1 | 153,369 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight line (well, it's not that straight in reality, ... | instruction | 0 | 76,685 | 1 | 153,370 |
Tags: combinatorics, math, probabilities
Correct Solution:
```
import sys
input=sys.stdin.readline
n=int(input())
a=list(map(int,input().split()))
m=998244353
a=a[::-1]
s=a[0]
for i in range(1,n):
s+=(a[i]*pow(2,i-1,m)*(i+2))%m
s=s%m
print(s%m)
``` | output | 1 | 76,685 | 1 | 153,371 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight line (well, it's not that straight in reality, ... | instruction | 0 | 76,686 | 1 | 153,372 |
Tags: combinatorics, math, probabilities
Correct Solution:
```
from sys import stdin
n = int(input())
a = list(map(int, stdin.readline().split()))
mod = 998244353
def solve(a):
if len(a) == 1:
return a[0]
dp = [0] * n
dp[0] = a[0]
dp[1] = a[0] + a[1]
for i in range(2, len(... | output | 1 | 76,686 | 1 | 153,373 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight line (well, it's not that straight in reality, ... | instruction | 0 | 76,687 | 1 | 153,374 |
Tags: combinatorics, math, probabilities
Correct Solution:
```
M = 0x3b800001
wa = 0;
n = int(input())
a = list(map(int, input().split()))
now = 1
wa += a[-1]
for i in range(n - 1)[::-1]:
wa += (now * (n - i - 1) + now * 2) * a[i]
wa %= M
now *= 2
now %= M
print(wa % M)
``` | output | 1 | 76,687 | 1 | 153,375 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight line (well, it's not that straight in reality, ... | instruction | 0 | 76,688 | 1 | 153,376 |
Tags: combinatorics, math, probabilities
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
difficulty = a[0]
expectation = a[0] % 998244353
for i in range(1, n):
expectation = expectation * 2 + difficulty + a[i]
difficulty = difficulty * 2 + a[i]
expectation %= 998244353
difficu... | output | 1 | 76,688 | 1 | 153,377 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight line (well, it's not that straight in reality, ... | instruction | 0 | 76,689 | 1 | 153,378 |
Tags: combinatorics, math, probabilities
Correct Solution:
```
n = int(input())
a= list(map(int,input().split()))
sum, cur = a[0] % 998244353, a[0]
for x in a[1:]:
sum = sum * 2 + cur + x
cur = cur * 2 + x
sum %= 998244353
cur %= 998244353
print(sum)
``` | output | 1 | 76,689 | 1 | 153,379 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight line (well, it's not that straight in reality, ... | instruction | 0 | 76,690 | 1 | 153,380 |
Tags: combinatorics, math, probabilities
Correct Solution:
```
#Code by Sounak, IIESTS
#------------------------------warmup----------------------------
import os
import sys
import math
from io import BytesIO, IOBase
import io
from fractions import Fraction
import collections
from itertools import permutations
from co... | output | 1 | 76,690 | 1 | 153,381 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight line (well, it's not that straight in reality, ... | instruction | 0 | 76,691 | 1 | 153,382 |
Tags: combinatorics, math, probabilities
Correct Solution:
```
#!/usr/bin/python3
MOD = 998244353
def solve(N, A):
ans = 0
k = 1
ans += k * A[-1]
ans %= MOD
for i in range(N - 2, -1, -1):
ans += k * (N + 1 - i) * A[i]
ans %= MOD
k *= 2
k %= MOD
return ans
d... | output | 1 | 76,691 | 1 | 153,383 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight ... | instruction | 0 | 76,692 | 1 | 153,384 |
Yes | output | 1 | 76,692 | 1 | 153,385 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight ... | instruction | 0 | 76,693 | 1 | 153,386 |
Yes | output | 1 | 76,693 | 1 | 153,387 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight ... | instruction | 0 | 76,694 | 1 | 153,388 |
Yes | output | 1 | 76,694 | 1 | 153,389 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight ... | instruction | 0 | 76,695 | 1 | 153,390 |
Yes | output | 1 | 76,695 | 1 | 153,391 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight ... | instruction | 0 | 76,696 | 1 | 153,392 |
No | output | 1 | 76,696 | 1 | 153,393 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight ... | instruction | 0 | 76,697 | 1 | 153,394 |
No | output | 1 | 76,697 | 1 | 153,395 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight ... | instruction | 0 | 76,698 | 1 | 153,396 |
No | output | 1 | 76,698 | 1 | 153,397 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Leha is planning his journey from Moscow to Saratov. He hates trains, so he has decided to get from one city to another by car.
The path from Moscow to Saratov can be represented as a straight ... | instruction | 0 | 76,699 | 1 | 153,398 |
No | output | 1 | 76,699 | 1 | 153,399 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is equal to 1 unit. The neighboring houses are 1 ... | instruction | 0 | 76,736 | 1 | 153,472 |
Tags: greedy, implementation
Correct Solution:
```
n=int(input())
c=list(map(int,input().split()))
p=n-1
while c[0]==c[p] and c[0]==c[n-1-p]: p-=1
print(p)
``` | output | 1 | 76,736 | 1 | 153,473 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is equal to 1 unit. The neighboring houses are 1 ... | instruction | 0 | 76,737 | 1 | 153,474 |
Tags: greedy, implementation
Correct Solution:
```
n = int(input())
t = [int(i) for i in input().split()]
for i in range(n-1, 0, -1):
if t[i] != t[0]:
f = i
break
for i in range(n):
if t[i] != t[-1]:
l = i
break
print(max(f, n-l-1))
``` | output | 1 | 76,737 | 1 | 153,475 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is equal to 1 unit. The neighboring houses are 1 ... | instruction | 0 | 76,738 | 1 | 153,476 |
Tags: greedy, implementation
Correct Solution:
```
### Ilya and a Colorful Walk ###
### https://codeforces.com/contest/1119/problem/A ###
N = int(input())
Nhouse = [int(c) for c in input().split()]
kq = []
i = 0
j = N-2
while j !=0 and i != N-2:
if Nhouse[N-1] != Nhouse[i]:
kq.append(N-1-i)
if Nhouse[0]... | output | 1 | 76,738 | 1 | 153,477 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is equal to 1 unit. The neighboring houses are 1 ... | instruction | 0 | 76,739 | 1 | 153,478 |
Tags: greedy, implementation
Correct Solution:
```
n = int(input())
c = list(map(int, input().split()))
if c[0] != c[n - 1]:
print(n - 1)
else:
color = c[0]
i = 1
while c[i] == color == c[n - i - 1]:
i += 1
print(n - i - 1)
``` | output | 1 | 76,739 | 1 | 153,479 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is equal to 1 unit. The neighboring houses are 1 ... | instruction | 0 | 76,740 | 1 | 153,480 |
Tags: greedy, implementation
Correct Solution:
```
n = int(input())
a = list(map(int, input().split()))
l_d = 0
r_d = 0
for i in range(n):
if a[i] != a[0]:
if i > l_d:
l_d = i
if a[n - 1 - i] != a[n - 1]:
if i > r_d:
r_d = i
print(max(l_d, r_d))
``` | output | 1 | 76,740 | 1 | 153,481 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is equal to 1 unit. The neighboring houses are 1 ... | instruction | 0 | 76,741 | 1 | 153,482 |
Tags: greedy, implementation
Correct Solution:
```
n=int(input())
L=list(map(int,input().split()))
i=0
j=n-1
while L[i]==L[-1]:i+=1
while L[j]==L[0]:j-=1
print(max(n-1-i,j))
``` | output | 1 | 76,741 | 1 | 153,483 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is equal to 1 unit. The neighboring houses are 1 ... | instruction | 0 | 76,742 | 1 | 153,484 |
Tags: greedy, implementation
Correct Solution:
```
n = int(input())
a = list(map(int,input().split()))
data = set()
for i in range(n//2):
data.add(a[i])
data.add(a[-i-1])
if len(data)>1:
print(max(n-i,i)-1)
break
else:
print(max(n-n//2,n//2)-1)
``` | output | 1 | 76,742 | 1 | 153,485 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is equal to 1 unit. The neighboring houses are 1 ... | instruction | 0 | 76,743 | 1 | 153,486 |
Tags: greedy, implementation
Correct Solution:
```
import sys
input = sys.stdin.readline
n = int(input())
c = list(map(int, input().split()))
for i in range(n):
if c[i] != c[0]:
lastDiff = i
for i in range(n-1, -1, -1):
if c[i] != c[-1]:
firstDiff = i
print(max(lastDiff, n-1-firstDiff)... | output | 1 | 76,743 | 1 | 153,487 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is... | instruction | 0 | 76,744 | 1 | 153,488 |
Yes | output | 1 | 76,744 | 1 | 153,489 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is... | instruction | 0 | 76,745 | 1 | 153,490 |
Yes | output | 1 | 76,745 | 1 | 153,491 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is... | instruction | 0 | 76,746 | 1 | 153,492 |
Yes | output | 1 | 76,746 | 1 | 153,493 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is... | instruction | 0 | 76,747 | 1 | 153,494 |
Yes | output | 1 | 76,747 | 1 | 153,495 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is... | instruction | 0 | 76,748 | 1 | 153,496 |
No | output | 1 | 76,748 | 1 | 153,497 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is... | instruction | 0 | 76,749 | 1 | 153,498 |
No | output | 1 | 76,749 | 1 | 153,499 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is... | instruction | 0 | 76,750 | 1 | 153,500 |
No | output | 1 | 76,750 | 1 | 153,501 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya lives in a beautiful city of Chordalsk.
There are n houses on the street Ilya lives, they are numerated from 1 to n from left to right; the distance between every two neighboring houses is... | instruction | 0 | 76,751 | 1 | 153,502 |
No | output | 1 | 76,751 | 1 | 153,503 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yaroslav is playing a game called "Time". The game has a timer showing the lifespan he's got left. As soon as the timer shows 0, Yaroslav's character dies and the game ends. Also, the game has n clock stations, station number i is at point (... | instruction | 0 | 77,034 | 1 | 154,068 |
Tags: binary search, graphs, shortest paths
Correct Solution:
```
f = lambda: list(map(int, input().split()))
n, d = f()
r = range(n)
a = [0] + f() + [0]
p = [f() for i in r]
s = [1e9] * n
q, s[0] = 1, 0
while q:
q = 0
for i in r:
for j in r:
if i != j:
t = s[i] + (abs(p[i][0... | output | 1 | 77,034 | 1 | 154,069 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yaroslav is playing a game called "Time". The game has a timer showing the lifespan he's got left. As soon as the timer shows 0, Yaroslav's character dies and the game ends. Also, the game has n clock stations, station number i is at point (... | instruction | 0 | 77,035 | 1 | 154,070 |
Tags: binary search, graphs, shortest paths
Correct Solution:
```
from sys import stdin
from math import inf
def readline():
return map(int, stdin.readline().strip().split())
def dijkstra():
n, d = readline()
a = [0] + list(readline()) + [0]
x = [0] * n
y = [0] * n
for i in range(n):
... | output | 1 | 77,035 | 1 | 154,071 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yaroslav is playing a game called "Time". The game has a timer showing the lifespan he's got left. As soon as the timer shows 0, Yaroslav's character dies and the game ends. Also, the game has n clock stations, station number i is at point (... | instruction | 0 | 77,036 | 1 | 154,072 |
Tags: binary search, graphs, shortest paths
Correct Solution:
```
f = lambda: list(map(int, input().split()))
n, d = f()
a = [0] + f() + [0]
p = [f() for i in range(n)]
r = range(n)
s = [[d * (abs(p[i][0] - p[j][0]) + abs(p[i][1] - p[j][1])) - a[j] * (i != j) for j in r] for i in r]
for k in r: s = [[min(s[i][j],... | output | 1 | 77,036 | 1 | 154,073 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yaroslav is playing a game called "Time". The game has a timer showing the lifespan he's got left. As soon as the timer shows 0, Yaroslav's character dies and the game ends. Also, the game has n clock stations, station number i is at point (... | instruction | 0 | 77,038 | 1 | 154,076 |
Tags: binary search, graphs, shortest paths
Correct Solution:
```
R = lambda: map(int, input().split())
n, d = R()
a = [0] + list(R()) + [0]
x = []
y = []
INF = float('inf')
for i in range(n):
xi, yi = R()
x += [xi]
y += [yi]
b = [INF] * n
b[0] = 0
c = True
while c:
c = False
for i in range(n):
for j in r... | output | 1 | 77,038 | 1 | 154,077 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yaroslav is playing a game called "Time". The game has a timer showing the lifespan he's got left. As soon as the timer shows 0, Yaroslav's character dies and the game ends. Also, the game has n clock stations, station number i is at point (... | instruction | 0 | 77,039 | 1 | 154,078 |
Tags: binary search, graphs, shortest paths
Correct Solution:
```
import sys
def minp():
return sys.stdin.readline().strip()
def mint():
return int(minp())
def mints():
return map(int, minp().split())
def solve():
n, dc = mints()
a = list(mints())
a.append(0)
x = [0]*n
y = [0]*n
for i in range(n):
x[i], ... | output | 1 | 77,039 | 1 | 154,079 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Iahub wants to meet his girlfriend Iahubina. They both live in Ox axis (the horizontal axis). Iahub lives at point 0 and Iahubina at point d.
Iahub has n positive integers a1, a2, ..., an. The ... | instruction | 0 | 77,048 | 1 | 154,096 |
No | output | 1 | 77,048 | 1 | 154,097 |
Provide a correct Python 3 solution for this coding contest problem.
We have decided to introduce an automatic ticket gate to the railway network of a certain country. One of the difficult issues to implement is determining whether a given ticket can move between designated stations. Each ticket has a boarding station... | instruction | 0 | 77,508 | 1 | 155,016 |
"Correct Solution:
```
from heapq import heappush, heappop
s, r = map(int, input().split())
edges = [[] for _ in range(s)]
for _ in range(r):
u, v, w = map(int, input().split())
u -= 1
v -= 1
edges[u].append((v, w))
edges[v].append((u, w))
a, b, q = map(int, input().split())
a -= 1
b -= 1
def di... | output | 1 | 77,508 | 1 | 155,017 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have decided to introduce an automatic ticket gate to the railway network of a certain country. One of the difficult issues to implement is determining whether a given ticket can move between... | instruction | 0 | 77,509 | 1 | 155,018 |
No | output | 1 | 77,509 | 1 | 155,019 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have decided to introduce an automatic ticket gate to the railway network of a certain country. One of the difficult issues to implement is determining whether a given ticket can move between... | instruction | 0 | 77,510 | 1 | 155,020 |
No | output | 1 | 77,510 | 1 | 155,021 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In a simplified version of a "Mini Metro" game, there is only one subway line, and all the trains go in the same direction. There are n stations on the line, a_i people are waiting for the train... | instruction | 0 | 77,552 | 1 | 155,104 |
No | output | 1 | 77,552 | 1 | 155,105 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In a simplified version of a "Mini Metro" game, there is only one subway line, and all the trains go in the same direction. There are n stations on the line, a_i people are waiting for the train... | instruction | 0 | 77,553 | 1 | 155,106 |
No | output | 1 | 77,553 | 1 | 155,107 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In a simplified version of a "Mini Metro" game, there is only one subway line, and all the trains go in the same direction. There are n stations on the line, a_i people are waiting for the train... | instruction | 0 | 77,554 | 1 | 155,108 |
No | output | 1 | 77,554 | 1 | 155,109 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In the Land of Fire there are n villages and n-1 bidirectional road, and there is a path between any pair of villages by roads. There are only two types of roads: stone ones and sand ones. Since... | instruction | 0 | 77,734 | 1 | 155,468 |
No | output | 1 | 77,734 | 1 | 155,469 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You already know that Valery's favorite sport is biathlon. Due to your help, he learned to shoot without missing, and his skills are unmatched at the shooting range. But now a smaller task is to be performed, he should learn to complete the ... | instruction | 0 | 77,945 | 1 | 155,890 |
Tags: graphs, greedy, shortest paths
Correct Solution:
```
import sys
from array import array # noqa: F401
from itertools import combinations
from collections import deque
def input():
return sys.stdin.buffer.readline().decode('utf-8')
n, m, k = map(int, input().split())
chars = (
['}' * (m + 2)]
+ ['}... | output | 1 | 77,945 | 1 | 155,891 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Berland has n cities, some of which are connected by roads. Each road is bidirectional, connects two distinct cities and for each two cities there's at most one road connecting them.
The presid... | instruction | 0 | 78,303 | 1 | 156,606 |
No | output | 1 | 78,303 | 1 | 156,607 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Berland has n cities, some of which are connected by roads. Each road is bidirectional, connects two distinct cities and for each two cities there's at most one road connecting them.
The presid... | instruction | 0 | 78,304 | 1 | 156,608 |
No | output | 1 | 78,304 | 1 | 156,609 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Berland has n cities, some of which are connected by roads. Each road is bidirectional, connects two distinct cities and for each two cities there's at most one road connecting them.
The presid... | instruction | 0 | 78,305 | 1 | 156,610 |
No | output | 1 | 78,305 | 1 | 156,611 |
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