message stringlengths 2 67k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 463 109k | cluster float64 19 19 | __index_level_0__ int64 926 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of them. Each word consists of 2·n binary characte... | instruction | 0 | 95,592 | 19 | 191,184 |
Tags: games, greedy
Correct Solution:
```
import io, os
# input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline
input = io.StringIO(os.read(0, os.fstat(0).st_size).decode()).readline
ii=lambda:int(input())
kk=lambda:map(int,input().split())
ll=lambda:list(kk())
n,a1,a2=ii(),input(),input()
locs = [0]*4
for i in ... | output | 1 | 95,592 | 19 | 191,185 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of them. Each word consists of 2·n binary characte... | instruction | 0 | 95,593 | 19 | 191,186 |
Tags: games, greedy
Correct Solution:
```
import sys
import math
n = int(input())
st1 = input()
st2 = input()
k = 0
res = 0
for i in range(2 * n):
if(st1[i] == '1' and st2[i] == '1'):
k += 1
elif(st1[i] == '1'):
res -= 1
elif(st2[i] == '1'):
res += 1
res1 = int(k / 2) ... | output | 1 | 95,593 | 19 | 191,187 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of them. Each word consists of 2·n binary characte... | instruction | 0 | 95,594 | 19 | 191,188 |
Tags: games, greedy
Correct Solution:
```
from sys import stdin
from math import ceil, floor
n = int(input())
s = stdin.readline()
t = stdin.readline()
first = 0
second = 0
draw = 0
for i in range(2*n):
if( s[i] == '1' and t[i] == '1' ): draw += 1
elif( s[i] == '1' ): first += 1
elif( t[i] == '1' ): second += 1
#pr... | output | 1 | 95,594 | 19 | 191,189 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of ... | instruction | 0 | 95,595 | 19 | 191,190 |
Yes | output | 1 | 95,595 | 19 | 191,191 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of ... | instruction | 0 | 95,596 | 19 | 191,192 |
Yes | output | 1 | 95,596 | 19 | 191,193 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of ... | instruction | 0 | 95,597 | 19 | 191,194 |
Yes | output | 1 | 95,597 | 19 | 191,195 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of ... | instruction | 0 | 95,598 | 19 | 191,196 |
Yes | output | 1 | 95,598 | 19 | 191,197 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of ... | instruction | 0 | 95,599 | 19 | 191,198 |
No | output | 1 | 95,599 | 19 | 191,199 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of ... | instruction | 0 | 95,600 | 19 | 191,200 |
No | output | 1 | 95,600 | 19 | 191,201 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of ... | instruction | 0 | 95,601 | 19 | 191,202 |
No | output | 1 | 95,601 | 19 | 191,203 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Yaroslav, Andrey and Roman can play cubes for hours and hours. But the game is for three, so when Roman doesn't show up, Yaroslav and Andrey play another game.
Roman leaves a word for each of ... | instruction | 0 | 95,602 | 19 | 191,204 |
No | output | 1 | 95,602 | 19 | 191,205 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
George is a cat, so he loves playing very much.
Vitaly put n cards in a row in front of George. Each card has one integer written on it. All cards had distinct numbers written on them. Let's nu... | instruction | 0 | 95,636 | 19 | 191,272 |
No | output | 1 | 95,636 | 19 | 191,273 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left to right. Initially key to Barney's heart is un... | instruction | 0 | 95,722 | 19 | 191,444 |
Tags: combinatorics, dp, implementation, math, matrices
Correct Solution:
```
m = 1000000007
input()
n, d = 2, 1
for q in map(int, input().split()): d, n = q & d, pow(n, q, m)
n = n * pow(2, m - 2, m) % m
k = (n + 1 - 2 * d) * pow(3, m - 2, m) % m
print(str(k) + '/' + str(n))
``` | output | 1 | 95,722 | 19 | 191,445 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left to right. Initially key to Barney's heart is un... | instruction | 0 | 95,723 | 19 | 191,446 |
Tags: combinatorics, dp, implementation, math, matrices
Correct Solution:
```
k = int(input())
MOD = 10 ** 9 + 7
antithree = pow(3, MOD - 2, MOD)
antitwo = pow(2, MOD - 2, MOD)
power = 1
parity = False
for t in map(int, input().split()):
power *= t
power %= MOD - 1
if t % 2 == 0:
parity = True
q = p... | output | 1 | 95,723 | 19 | 191,447 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left to right. Initially key to Barney's heart is un... | instruction | 0 | 95,724 | 19 | 191,448 |
Tags: combinatorics, dp, implementation, math, matrices
Correct Solution:
```
#!/usr/bin/python3
class Matrix:
def __init__(self, n, m, arr=None):
self.n = n
self.m = m
self.arr = [[0] * m for i in range(n)]
if arr is not None:
for i in range(n):
for j in... | output | 1 | 95,724 | 19 | 191,449 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left to right. Initially key to Barney's heart is un... | instruction | 0 | 95,725 | 19 | 191,450 |
Tags: combinatorics, dp, implementation, math, matrices
Correct Solution:
```
MOD = 10 ** 9 + 7
MOD1 = 2 * (10 ** 9 + 6)
pow2 = [0] * 32 #pow2[i] = 2 ** (2 ** i) % MOD
pow2[0] = 2
for i in range(1, 32):
pow2[i] = (pow2[i - 1] ** 2) % MOD
def exp2mod(exp):
ans = 1
the_pow = 1
the_log = 0
while the_... | output | 1 | 95,725 | 19 | 191,451 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left to right. Initially key to Barney's heart is un... | instruction | 0 | 95,726 | 19 | 191,452 |
Tags: combinatorics, dp, implementation, math, matrices
Correct Solution:
```
from functools import reduce
mod = 1000000007
n = input()
numbers = list(map(int,input().split()))
flag = 1 if len(list(filter(lambda x: x%2 == 0,numbers))) else -1
b = reduce(lambda x,y:pow(x,y,mod),numbers,2)
b = b*pow(2,mod-2,mod)%mod # b ... | output | 1 | 95,726 | 19 | 191,453 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left to right. Initially key to Barney's heart is un... | instruction | 0 | 95,727 | 19 | 191,454 |
Tags: combinatorics, dp, implementation, math, matrices
Correct Solution:
```
k = int(input())
MOD = 10 ** 9 + 7
antithree = pow(3, MOD - 2, MOD)
antitwo = pow(2, MOD - 2, MOD)
power = 1
parity = False
for t in map(int, input().split()):
power *= t
power %= MOD - 1
if t % 2 == 0:
parity = ... | output | 1 | 95,727 | 19 | 191,455 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left to right. Initially key to Barney's heart is un... | instruction | 0 | 95,728 | 19 | 191,456 |
Tags: combinatorics, dp, implementation, math, matrices
Correct Solution:
```
k = int(input())
n = list(map(int, input().split()))
for i in range(k):
n[i] = bin(n[i])
n[i] = n[i][2:]
magic = 1000000007
def par(s):
if s[-1] == '0':
return True
else:
return False
def mod_pow(x, s, ... | output | 1 | 95,728 | 19 | 191,457 |
Provide tags and a correct Python 3 solution for this coding contest problem.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left to right. Initially key to Barney's heart is un... | instruction | 0 | 95,729 | 19 | 191,458 |
Tags: combinatorics, dp, implementation, math, matrices
Correct Solution:
```
n = int(input())
ls = [int(x) for x in input().split(' ')]
t = 1
mod = 1000000007
def qpow(n: int, m: int):
m %= mod - 1
ans = 1
while m:
if m & 1: ans = ans * n % mod
n = n * n % mod
m >>= 1
return a... | output | 1 | 95,729 | 19 | 191,459 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left ... | instruction | 0 | 95,730 | 19 | 191,460 |
Yes | output | 1 | 95,730 | 19 | 191,461 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left ... | instruction | 0 | 95,731 | 19 | 191,462 |
Yes | output | 1 | 95,731 | 19 | 191,463 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left ... | instruction | 0 | 95,732 | 19 | 191,464 |
Yes | output | 1 | 95,732 | 19 | 191,465 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left ... | instruction | 0 | 95,733 | 19 | 191,466 |
Yes | output | 1 | 95,733 | 19 | 191,467 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left ... | instruction | 0 | 95,734 | 19 | 191,468 |
No | output | 1 | 95,734 | 19 | 191,469 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left ... | instruction | 0 | 95,735 | 19 | 191,470 |
No | output | 1 | 95,735 | 19 | 191,471 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left ... | instruction | 0 | 95,736 | 19 | 191,472 |
No | output | 1 | 95,736 | 19 | 191,473 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
As we all know Barney's job is "PLEASE" and he has not much to do at work. That's why he started playing "cups and key". In this game there are three identical cups arranged in a line from left ... | instruction | 0 | 95,737 | 19 | 191,474 |
No | output | 1 | 95,737 | 19 | 191,475 |
Provide a correct Python 3 solution for this coding contest problem.
Problem
There are coins with front and back sides and dice with rolls from $ 1 $ to $ N $. Gacho decided to play the following games using these.
The game starts with a score of $ 0 $ and proceeds as follows.
1. Roll the dice $ 1 $ and add the nu... | instruction | 0 | 96,059 | 19 | 192,118 |
"Correct Solution:
```
N, K, A = map(int, input().split())
dp = [0] * (K+1) + [1] * N # 残りが i 点のときの勝率
dp[0] = 1
c = 1
mod = 998244353
p_coin = A * pow(100, mod-2, mod) % mod
p_dice = pow(N, mod-2, mod)
for i in range(1, K+1):
dp[i] = c * p_coin % mod
c += (dp[i] - dp[i-N]) * p_dice % mod
print(dp[K] * pow(p_co... | output | 1 | 96,059 | 19 | 192,119 |
Provide a correct Python 3 solution for this coding contest problem.
Problem
There are coins with front and back sides and dice with rolls from $ 1 $ to $ N $. Gacho decided to play the following games using these.
The game starts with a score of $ 0 $ and proceeds as follows.
1. Roll the dice $ 1 $ and add the nu... | instruction | 0 | 96,060 | 19 | 192,120 |
"Correct Solution:
```
#!usr/bin/env python3
from collections import defaultdict,deque
from heapq import heappush, heappop
import sys
import math
import bisect
import random
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def I(): return int(sys.stdin.readline())
def LS():return [list(x) for x in sys.st... | output | 1 | 96,060 | 19 | 192,121 |
Provide a correct Python 3 solution for this coding contest problem.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arranges n dominoes in a line, placing each piece vertically up... | instruction | 0 | 96,481 | 19 | 192,962 |
"Correct Solution:
```
n = input()
falling_dir = input()
n = int(n, 10)
f = 0
start_pos = 0
fall_dir = "."
i = 0
for dir in falling_dir:
if dir == "R":
fall_dir = dir
start_pos = i
elif dir == "L":
k = i - start_pos
if fall_dir == ".":
f += k+1
else:
if k%2 == 0:
f += k
else:
f += k+1
... | output | 1 | 96,481 | 19 | 192,963 |
Provide a correct Python 3 solution for this coding contest problem.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arranges n dominoes in a line, placing each piece vertically up... | instruction | 0 | 96,482 | 19 | 192,964 |
"Correct Solution:
```
n=int(input())
x=input()
i=0
c=0
while i<n:
if x[i]=="L" or x[i]=="R":
if x[i]=="R":
c+=i
break
i+=1
if i==n:
for i in range(n):
if x[i]=="R":
break
print(i+1)
else:
j=i+1
while j<n:
if x[j]==".":
j+=1
... | output | 1 | 96,482 | 19 | 192,965 |
Provide a correct Python 3 solution for this coding contest problem.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arranges n dominoes in a line, placing each piece vertically up... | instruction | 0 | 96,483 | 19 | 192,966 |
"Correct Solution:
```
n = int(input())
s = input().split('L')
ans = 0
if 'R' not in s[0]:
if len(s) != 1:
s = s[1:]
if 'R' in s[-1]:
s[-1] = s[-1][:s[-1].index('R')]
for sub in s:
if 'R' not in sub:
ans += len(sub)
else:
idx = sub.index('R')
ans += idx
ans += (len(sub) - idx - 1) % 2
print(ans)
``` | output | 1 | 96,483 | 19 | 192,967 |
Provide a correct Python 3 solution for this coding contest problem.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arranges n dominoes in a line, placing each piece vertically up... | instruction | 0 | 96,484 | 19 | 192,968 |
"Correct Solution:
```
n = int(input())
string = input()
result = 0
if set(string) == {'.', }:
print(n)
else:
i = 0
met_1 = False
met_2 = False
start = 0
end = n-1
on = True
while i < n and not (met_1 and met_2):
# print("came in while")
# print(f"string[i] = {string[i... | output | 1 | 96,484 | 19 | 192,969 |
Provide a correct Python 3 solution for this coding contest problem.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arranges n dominoes in a line, placing each piece vertically up... | instruction | 0 | 96,485 | 19 | 192,970 |
"Correct Solution:
```
N = int(input())
S = input()
A = [1 for i in range(N)]
mode = -1
ans = 0
for i in range(N):
c = S[i]
if(c=="L"):
if(mode==-1):
for k in range(i+1):
A[k]=0
else:
if(i-mode+1)%2==1:
ans+=1
for k in range(mode,i+1):
A[k]=0
mode = -1
elif(c=="R"):
mode = i
if(mode!=-1... | output | 1 | 96,485 | 19 | 192,971 |
Provide a correct Python 3 solution for this coding contest problem.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arranges n dominoes in a line, placing each piece vertically up... | instruction | 0 | 96,486 | 19 | 192,972 |
"Correct Solution:
```
import sys
# sys.stdin = open('input.txt', 'r')
# sys.stdout = open('output.txt', 'w')
input = sys.stdin.readline
n = int(input())
s = input().strip()
st = []
up = n
for i in range(n):
if s[i] == "L":
if not st:
up -= (i+1)
else:
length = i - st.po... | output | 1 | 96,486 | 19 | 192,973 |
Provide a correct Python 3 solution for this coding contest problem.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arranges n dominoes in a line, placing each piece vertically up... | instruction | 0 | 96,487 | 19 | 192,974 |
"Correct Solution:
```
n = int(input())
s = input()
s = list(s)
v = 0
while(True):
lExits = False
rExits = False
if ('L' in s):
l = s.index('L')
lExits = True
if ('R' in s):
r = s.index('R')
rExits = True
if (lExits == False and rExits == False):
break
if ... | output | 1 | 96,487 | 19 | 192,975 |
Provide a correct Python 3 solution for this coding contest problem.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arranges n dominoes in a line, placing each piece vertically up... | instruction | 0 | 96,488 | 19 | 192,976 |
"Correct Solution:
```
n = int(input())
st = list(input())
ans = 0
i = 0
while st and i < len(st):
if st[i] == 'L':
n -= i + 1
st = st[i + 1:]
i = -1
elif st[i] == 'R':
n -= 1
j = i + 1
while j < len(st):
if st[j] == 'L':
n -= j - i
... | output | 1 | 96,488 | 19 | 192,977 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arrange... | instruction | 0 | 96,489 | 19 | 192,978 |
Yes | output | 1 | 96,489 | 19 | 192,979 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arrange... | instruction | 0 | 96,490 | 19 | 192,980 |
Yes | output | 1 | 96,490 | 19 | 192,981 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arrange... | instruction | 0 | 96,491 | 19 | 192,982 |
Yes | output | 1 | 96,491 | 19 | 192,983 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arrange... | instruction | 0 | 96,492 | 19 | 192,984 |
Yes | output | 1 | 96,492 | 19 | 192,985 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arrange... | instruction | 0 | 96,493 | 19 | 192,986 |
No | output | 1 | 96,493 | 19 | 192,987 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arrange... | instruction | 0 | 96,494 | 19 | 192,988 |
No | output | 1 | 96,494 | 19 | 192,989 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arrange... | instruction | 0 | 96,495 | 19 | 192,990 |
No | output | 1 | 96,495 | 19 | 192,991 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Little Chris knows there's no fun in playing dominoes, he thinks it's too random and doesn't require skill. Instead, he decided to play with the dominoes and make a "domino show".
Chris arrange... | instruction | 0 | 96,496 | 19 | 192,992 |
No | output | 1 | 96,496 | 19 | 192,993 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n bullet slots able to contain exactly k bullets,... | instruction | 0 | 96,969 | 19 | 193,938 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n, k, p = map(int, input().split())
for i in range(p):
pos = int(input())
if n % 2:
if pos == n:
print('X' if k > 0 else '.', end='')
else:
if k * 2 > n + 1:
print('X' if (pos & 1) == 0 or (n - p... | output | 1 | 96,969 | 19 | 193,939 |
Provide tags and a correct Python 3 solution for this coding contest problem.
After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n bullet slots able to contain exactly k bullets,... | instruction | 0 | 96,970 | 19 | 193,940 |
Tags: constructive algorithms, greedy
Correct Solution:
```
n, k, p = map(int, input().split())
for i in range(p):
pos = int(input())
if n % 2:
if pos == n:
print('X' if k > 0 else '.', end='')
else:
if k * 2 > n + 1:
print('X' if (pos & 1) == 0 or (n - p... | output | 1 | 96,970 | 19 | 193,941 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
After all the events in Orlando we all know, Sasha and Roma decided to find out who is still the team's biggest loser. Thankfully, Masha found somewhere a revolver with a rotating cylinder of n ... | instruction | 0 | 96,971 | 19 | 193,942 |
No | output | 1 | 96,971 | 19 | 193,943 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vova is playing a computer game. There are in total n turns in the game and Vova really wants to play all of them. The initial charge of his laptop battery (i.e. the charge before the start of the game) is k.
During each turn Vova can choos... | instruction | 0 | 97,020 | 19 | 194,040 |
Tags: binary search, math
Correct Solution:
```
for n in range(int(input())):
lvl,tot,a,b=map(int,input().split())
if tot*b>=lvl:
print(-1)
continue
hi=tot
lo=0
res=0
while hi>=lo:
justpl=(hi+lo)//2
u=justpl*a+(tot-justpl)*b
if justpl*a+(tot-justpl)*b<lvl... | output | 1 | 97,020 | 19 | 194,041 |
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