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 is a cave.
The cave has N rooms and M passages. The rooms are numbered 1 to N, and the passages are numbered 1 to M. Passage i connects Room A_i and Room B_i bidirectionally. One can travel between any two rooms by traversing passages. Room 1 ... | instruction | 0 | 89,014 | 8 | 178,028 |
"Correct Solution:
```
from collections import deque
N, M = map(int, input().split())
d = {i:[] for i in range(1, N+1)}
for _ in range(M):
A, B = map(int, input().split())
d[A].append(B)
d[B].append(A)
par = [-1]*(N+1)
par[1] = 0
q = deque([1])
while q:
a = q.popleft()
for b in d[a]:
if p... | output | 1 | 89,014 | 8 | 178,029 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a cave.
The cave has N rooms and M passages. The rooms are numbered 1 to N, and the passages are numbered 1 to M. Passage i connects Room A_i and Room B_i bidirectionally. One can trav... | instruction | 0 | 89,015 | 8 | 178,030 |
Yes | output | 1 | 89,015 | 8 | 178,031 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a cave.
The cave has N rooms and M passages. The rooms are numbered 1 to N, and the passages are numbered 1 to M. Passage i connects Room A_i and Room B_i bidirectionally. One can trav... | instruction | 0 | 89,016 | 8 | 178,032 |
Yes | output | 1 | 89,016 | 8 | 178,033 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a cave.
The cave has N rooms and M passages. The rooms are numbered 1 to N, and the passages are numbered 1 to M. Passage i connects Room A_i and Room B_i bidirectionally. One can trav... | instruction | 0 | 89,017 | 8 | 178,034 |
Yes | output | 1 | 89,017 | 8 | 178,035 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a cave.
The cave has N rooms and M passages. The rooms are numbered 1 to N, and the passages are numbered 1 to M. Passage i connects Room A_i and Room B_i bidirectionally. One can trav... | instruction | 0 | 89,018 | 8 | 178,036 |
Yes | output | 1 | 89,018 | 8 | 178,037 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a cave.
The cave has N rooms and M passages. The rooms are numbered 1 to N, and the passages are numbered 1 to M. Passage i connects Room A_i and Room B_i bidirectionally. One can trav... | instruction | 0 | 89,019 | 8 | 178,038 |
No | output | 1 | 89,019 | 8 | 178,039 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a cave.
The cave has N rooms and M passages. The rooms are numbered 1 to N, and the passages are numbered 1 to M. Passage i connects Room A_i and Room B_i bidirectionally. One can trav... | instruction | 0 | 89,020 | 8 | 178,040 |
No | output | 1 | 89,020 | 8 | 178,041 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a cave.
The cave has N rooms and M passages. The rooms are numbered 1 to N, and the passages are numbered 1 to M. Passage i connects Room A_i and Room B_i bidirectionally. One can trav... | instruction | 0 | 89,021 | 8 | 178,042 |
No | output | 1 | 89,021 | 8 | 178,043 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There is a cave.
The cave has N rooms and M passages. The rooms are numbered 1 to N, and the passages are numbered 1 to M. Passage i connects Room A_i and Room B_i bidirectionally. One can trav... | instruction | 0 | 89,022 | 8 | 178,044 |
No | output | 1 | 89,022 | 8 | 178,045 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya got tired of sports programming, left university and got a job in the subway. He was given the task to determine the escalator load factor.
Let's assume that n people stand in the queue f... | instruction | 0 | 89,682 | 8 | 179,364 |
Yes | output | 1 | 89,682 | 8 | 179,365 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya got tired of sports programming, left university and got a job in the subway. He was given the task to determine the escalator load factor.
Let's assume that n people stand in the queue f... | instruction | 0 | 89,683 | 8 | 179,366 |
Yes | output | 1 | 89,683 | 8 | 179,367 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya got tired of sports programming, left university and got a job in the subway. He was given the task to determine the escalator load factor.
Let's assume that n people stand in the queue f... | instruction | 0 | 89,684 | 8 | 179,368 |
Yes | output | 1 | 89,684 | 8 | 179,369 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya got tired of sports programming, left university and got a job in the subway. He was given the task to determine the escalator load factor.
Let's assume that n people stand in the queue f... | instruction | 0 | 89,685 | 8 | 179,370 |
Yes | output | 1 | 89,685 | 8 | 179,371 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya got tired of sports programming, left university and got a job in the subway. He was given the task to determine the escalator load factor.
Let's assume that n people stand in the queue f... | instruction | 0 | 89,687 | 8 | 179,374 |
No | output | 1 | 89,687 | 8 | 179,375 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya got tired of sports programming, left university and got a job in the subway. He was given the task to determine the escalator load factor.
Let's assume that n people stand in the queue f... | instruction | 0 | 89,688 | 8 | 179,376 |
No | output | 1 | 89,688 | 8 | 179,377 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Ilya got tired of sports programming, left university and got a job in the subway. He was given the task to determine the escalator load factor.
Let's assume that n people stand in the queue f... | instruction | 0 | 89,689 | 8 | 179,378 |
No | output | 1 | 89,689 | 8 | 179,379 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on the squares evenly, so he will repeat the following opera... | instruction | 0 | 89,913 | 8 | 179,826 |
"Correct Solution:
```
"""
Writer: SPD_9X2
https://atcoder.jp/contests/diverta2019-2/tasks/diverta2019_2_e
Mの時、 a1<=a2<=a3…aN
を満たす通り数 X[M] が分かれば解ける(全ての順N!は等しいため)
当然、次のMにはa1から順に更新していくことになる(M+?にね)
Dの時
X[M] = (X[M-1] + X[M-2] + … + X[M-D]) * N
が成立かな
X[0] = 1
N=2
X[0]=1
X[1]=2
X[2]=6
N=3
X[0]=1
X[1]=9
X[M]の更新式
→これが間違っ... | output | 1 | 89,913 | 8 | 179,827 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on the squares evenly, so he will repeat the following opera... | instruction | 0 | 89,914 | 8 | 179,828 |
"Correct Solution:
```
N, H, D = map(int, input().split())
MOD = 10**9 + 7
v = 1
w = 0
for i in range(1, N+1):
v = v * i % MOD
w += v
v %= MOD
w %= MOD
dp = [0]*(H+1)
dp[0] = v
s = 0
for i in range(H):
s += dp[i] % MOD
if i+1 < H:
dp[i+1] = s * w % MOD
else:
dp[i+1] = s % MOD
... | output | 1 | 89,914 | 8 | 179,829 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on the squares evenly, so he will repeat the following opera... | instruction | 0 | 89,915 | 8 | 179,830 |
"Correct Solution:
```
mod = 1000000007
eps = 10**-9
def main():
import sys
input = sys.stdin.readline
N, H, D = map(int, input().split())
imos = [0] * (H+2)
ans = [0] * (H+1)
M = 0
f = 1
for i in range(1, N+1):
f = (f * i)%mod
M = (M + f)%mod
imos[1] += f
imos... | output | 1 | 89,915 | 8 | 179,831 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on the squares evenly, so he will repeat the following opera... | instruction | 0 | 89,916 | 8 | 179,832 |
"Correct Solution:
```
N, H, D = map(int,input().split())
MOD = 10**9 + 7
fact = [1]
fact_cum = [0]
for i in range(1,N+1):
fact.append((fact[-1]*i)%MOD)
fact_cum.append((fact_cum[-1] + fact[-1])%MOD)
ap = [0] * (H+1)
ap_cum = [0] * (H+1)
ap[0] = 1
ap_cum[0] = 1
for n in range(1,H+1):
x = ap_cum[n-1]
if n ... | output | 1 | 89,916 | 8 | 179,833 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on the squares evenly, so he will repeat the following opera... | instruction | 0 | 89,917 | 8 | 179,834 |
"Correct Solution:
```
import sys
sys.setrecursionlimit(10 ** 6)
int1 = lambda x: int(x) - 1
p2D = lambda x: print(*x, sep="\n")
def MI(): return map(int, sys.stdin.readline().split())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def mai... | output | 1 | 89,917 | 8 | 179,835 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on the squares evenly, so he will repeat the following opera... | instruction | 0 | 89,918 | 8 | 179,836 |
"Correct Solution:
```
N, H, D = map(int, input().split())
P, a, s = 10**9+7, 1, 0
for i in range(1, N+1):
a = a*i%P
s = (s+a)%P
X = [a]
for i in range(1, H):
X.append(a*s%P)
a += X[-1]
if i >= D: a -= X[-D-1]
a %= P
print(a)
``` | output | 1 | 89,918 | 8 | 179,837 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on the squares evenly, so he will repeat the following opera... | instruction | 0 | 89,919 | 8 | 179,838 |
"Correct Solution:
```
N,H,D=map(int,input().split())
mod=10**9+7
table=[1]
num=0
for i in range(1,N+1):
table.append(table[-1]*i%mod)
num=(num+table[-1])%mod
dp=[0]*(H+1)
d_sum=[0]*(H+1)
for i in range(1,D+1):
dp[i]=table[N]
for i in range(1,H+1):
dp[i]=(dp[i]+(d_sum[i-1]-d_sum[max(0,i-D-1)])*num)%mod
... | output | 1 | 89,919 | 8 | 179,839 |
Provide a correct Python 3 solution for this coding contest problem.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on the squares evenly, so he will repeat the following opera... | instruction | 0 | 89,920 | 8 | 179,840 |
"Correct Solution:
```
N, H, D = map(int, input().split())
MOD = 10 ** 9 + 7
fact = 1
s = 0
for i in range(1, N+1) :
fact = fact * i % MOD
s = (s + fact) % MOD
dp = [0] * H
dp[0] = 1
ret = 1
for i in range(1, H) :
dp[i] = ret * s % MOD
ret = (ret + ret * s) % MOD
if i >= D :
ret = (ret -... | output | 1 | 89,920 | 8 | 179,841 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on t... | instruction | 0 | 89,921 | 8 | 179,842 |
Yes | output | 1 | 89,921 | 8 | 179,843 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on t... | instruction | 0 | 89,922 | 8 | 179,844 |
Yes | output | 1 | 89,922 | 8 | 179,845 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on t... | instruction | 0 | 89,923 | 8 | 179,846 |
Yes | output | 1 | 89,923 | 8 | 179,847 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on t... | instruction | 0 | 89,924 | 8 | 179,848 |
Yes | output | 1 | 89,924 | 8 | 179,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on t... | instruction | 0 | 89,925 | 8 | 179,850 |
No | output | 1 | 89,925 | 8 | 179,851 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on t... | instruction | 0 | 89,926 | 8 | 179,852 |
No | output | 1 | 89,926 | 8 | 179,853 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on t... | instruction | 0 | 89,927 | 8 | 179,854 |
No | output | 1 | 89,927 | 8 | 179,855 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
There are N squares arranged in a row, numbered 1 to N from left to right. Takahashi will stack building blocks on these squares, on which there are no blocks yet.
He wants to stack blocks on t... | instruction | 0 | 89,928 | 8 | 179,856 |
No | output | 1 | 89,928 | 8 | 179,857 |
Provide a correct Python 3 solution for this coding contest problem.
There are n rabbits, one in each of the huts numbered 0 through n − 1.
At one point, information came to the rabbits that a secret organization would be constructing an underground passage. The underground passage would allow the rabbits to visit ot... | instruction | 0 | 90,059 | 8 | 180,118 |
"Correct Solution:
```
from collections import deque
import sys
readline = sys.stdin.readline
write = sys.stdout.write
def solve():
N, K = map(int, readline().split())
ES = [list(map(int, readline().split())) for i in range(K)]
emp = {}
sq = int(K**.5) + 1
def root(x):
if x == p[x]:
... | output | 1 | 90,059 | 8 | 180,119 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by this present, so she decided to break the door, ... | instruction | 0 | 90,290 | 8 | 180,580 |
Tags: greedy, implementation
Correct Solution:
```
"""
Author: Q.E.D
Time: 2020-04-23 09:55:27
"""
T = int(input())
for _ in range(T):
n, k = list(map(int, input().split()))
a = list(map(int, input().split()))
peak = []
for i in range(n):
if i > 0 and i < n - 1 and a[i] > a[i - 1] and a[i] > a[i... | output | 1 | 90,290 | 8 | 180,581 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by this present, so she decided to break the door, ... | instruction | 0 | 90,291 | 8 | 180,582 |
Tags: greedy, implementation
Correct Solution:
```
t = int(input())
for _ in range(t):
n, k = [int(x) for x in input().split()]
h = [int(x) for x in input().split()]
peak = [0] * (n + 1)
for i in range(1, n - 1):
if h[i - 1] < h[i] and h[i] > h[i + 1]:
peak[i + 1] = 1
# print(pea... | output | 1 | 90,291 | 8 | 180,583 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by this present, so she decided to break the door, ... | instruction | 0 | 90,292 | 8 | 180,584 |
Tags: greedy, implementation
Correct Solution:
```
t=int(input())
for i in range(t):
n,k=map(int,input().split())
a=list(map(int,input().split()))
p=[0]*n
for i in range(n-2):
if (a[i]<a[i+1] and a[i+1]>a[i+2]):
p[i+1]=1
count1=p[1:k-1].count(1)
ans=count1
l=0
for i in range(n-k):
if p[i+k-1]==1:
cou... | output | 1 | 90,292 | 8 | 180,585 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by this present, so she decided to break the door, ... | instruction | 0 | 90,293 | 8 | 180,586 |
Tags: greedy, implementation
Correct Solution:
```
"""
NTC here
"""
#!/usr/bin/env python
import os
import sys
from io import BytesIO, IOBase
def iin(): return int(input())
def lin(): return list(map(int, input().split()))
def main():
T = iin()
for _ in range(T):
n, k = lin()
a = lin()
... | output | 1 | 90,293 | 8 | 180,587 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by this present, so she decided to break the door, ... | instruction | 0 | 90,294 | 8 | 180,588 |
Tags: greedy, implementation
Correct Solution:
```
from sys import stdin
for i in range(int(input())):
n,k=map(int,input().split())
a=list(map(int,input().split()));v=['0']*n
for i in range(1,n-1):
if a[i-1]<a[i]>a[i+1]:v[i]='1'
v=''.join(v)
ans=ans1=v[:k-1].count('1')
lst=1
if ans:lst=max(0,v[:k-1].rindex('1'... | output | 1 | 90,294 | 8 | 180,589 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by this present, so she decided to break the door, ... | instruction | 0 | 90,295 | 8 | 180,590 |
Tags: greedy, implementation
Correct Solution:
```
# -*- coding: utf-8 -*-
import sys
import math
import os
import itertools
import string
import heapq
import _collections
from collections import Counter
from collections import defaultdict
from functools import lru_cache
import bisect
import re
import queue
from decima... | output | 1 | 90,295 | 8 | 180,591 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by this present, so she decided to break the door, ... | instruction | 0 | 90,296 | 8 | 180,592 |
Tags: greedy, implementation
Correct Solution:
```
for _ in range(int(input())):
n,k = [int(s) for s in input().split()]
arr = [int(s) for s in input().split()]
# s = input()
peak = [0]*n
pref = [0]*n
for i in range(1,len(arr)-1):
if arr[i-1]<arr[i] and arr[i+1]<arr[i]:
peak... | output | 1 | 90,296 | 8 | 180,593 |
Provide tags and a correct Python 3 solution for this coding contest problem.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by this present, so she decided to break the door, ... | instruction | 0 | 90,297 | 8 | 180,594 |
Tags: greedy, implementation
Correct Solution:
```
for _ in range(int(input())):
n,k=map(int,input().split())
a=list(map(int,input().split()))
mxl=0
ans=[-1,-1]
si=0
ei=0
peak=set()
for i in range(1,k):
if a[i]>a[i-1] and i+1<k and a[i]>a[i+1]:
peak.add(i-1)
ei=k
... | output | 1 | 90,297 | 8 | 180,595 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by t... | instruction | 0 | 90,298 | 8 | 180,596 |
Yes | output | 1 | 90,298 | 8 | 180,597 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by t... | instruction | 0 | 90,299 | 8 | 180,598 |
Yes | output | 1 | 90,299 | 8 | 180,599 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by t... | instruction | 0 | 90,300 | 8 | 180,600 |
Yes | output | 1 | 90,300 | 8 | 180,601 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by t... | instruction | 0 | 90,301 | 8 | 180,602 |
Yes | output | 1 | 90,301 | 8 | 180,603 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by t... | instruction | 0 | 90,302 | 8 | 180,604 |
No | output | 1 | 90,302 | 8 | 180,605 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by t... | instruction | 0 | 90,303 | 8 | 180,606 |
No | output | 1 | 90,303 | 8 | 180,607 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by t... | instruction | 0 | 90,304 | 8 | 180,608 |
No | output | 1 | 90,304 | 8 | 180,609 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
On February 14 Denis decided to give Valentine to Nastya and did not come up with anything better than to draw a huge red heart on the door of the length k (k ≥ 3). Nastya was very confused by t... | instruction | 0 | 90,305 | 8 | 180,610 |
No | output | 1 | 90,305 | 8 | 180,611 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya goes to visit his classmate Petya. Vasya knows that Petya's apartment number is n.
There is only one entrance in Petya's house and the distribution of apartments is the following: the first floor contains 2 apartments, every other fl... | instruction | 0 | 90,332 | 8 | 180,664 |
Tags: implementation, math
Correct Solution:
```
t = int(input())
for i in range(t):
n, x = [int(i) for i in input().split()]
a = 0
if n <= 2:
print(1)
else:
n -= 2
while n > 0:
n -= x
a += 1
a += 1
print(a)
``` | output | 1 | 90,332 | 8 | 180,665 |
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