message stringlengths 2 23.8k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 97 109k | cluster float64 0 0 | __index_level_0__ int64 194 217k |
|---|---|---|---|---|---|
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence... | instruction | 0 | 90,591 | 0 | 181,182 |
Yes | output | 1 | 90,591 | 0 | 181,183 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence... | instruction | 0 | 90,592 | 0 | 181,184 |
No | output | 1 | 90,592 | 0 | 181,185 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence... | instruction | 0 | 90,593 | 0 | 181,186 |
No | output | 1 | 90,593 | 0 | 181,187 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence... | instruction | 0 | 90,594 | 0 | 181,188 |
No | output | 1 | 90,594 | 0 | 181,189 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two strings a and b. You have to remove the minimum possible number of consecutive (standing one after another) characters from string b in such a way that it becomes a subsequence... | instruction | 0 | 90,595 | 0 | 181,190 |
No | output | 1 | 90,595 | 0 | 181,191 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s is called even if the number represented by it i... | instruction | 0 | 90,968 | 0 | 181,936 |
Tags: implementation, strings
Correct Solution:
```
# A. Even Substrings
n, s = int(input()), input()
ans = 0
for index, num in enumerate(s, start=1):
if int(num) % 2 == 0:
ans += index
print(ans)
``` | output | 1 | 90,968 | 0 | 181,937 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s is called even if the number represented by it i... | instruction | 0 | 90,969 | 0 | 181,938 |
Tags: implementation, strings
Correct Solution:
```
n = int(input())
a = list(map(int, list(input())))
result = 0
for i in range(n):
if a[i] % 2 == 0:
result += i+1
print(result)
``` | output | 1 | 90,969 | 0 | 181,939 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s is called even if the number represented by it i... | instruction | 0 | 90,970 | 0 | 181,940 |
Tags: implementation, strings
Correct Solution:
```
# cook your dish here
n=int(input())
s=input()
c=0
for i in range(0,n):
if int(s[n-i-1])%2==0:
c=c+(n-i)
print(c)
``` | output | 1 | 90,970 | 0 | 181,941 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s is called even if the number represented by it i... | instruction | 0 | 90,971 | 0 | 181,942 |
Tags: implementation, strings
Correct Solution:
```
n=int(input())
l=input()
value=0
for i in range (n) :
if (int(l[i]))%2 == 0 :
value+=i+1
print(value)
``` | output | 1 | 90,971 | 0 | 181,943 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s is called even if the number represented by it i... | instruction | 0 | 90,972 | 0 | 181,944 |
Tags: implementation, strings
Correct Solution:
```
from sys import stdin,stdout
from collections import defaultdict,Counter,deque
from bisect import bisect,bisect_left
import math
from itertools import permutations
import queue
#stdin = open('input.txt','r')
I = stdin.readline
n = int(I())
s = I()
count = 0
for i i... | output | 1 | 90,972 | 0 | 181,945 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s is called even if the number represented by it i... | instruction | 0 | 90,973 | 0 | 181,946 |
Tags: implementation, strings
Correct Solution:
```
# -*- coding: utf-8 -*-
"""
Created on Sat Mar 23 17:40:46 2019
@author: screamLab
"""
n = int(input())
s = input()
ans = 0
for i in range(n):
if int(s[i]) % 2 == 0:
ans += i + 1
print(ans)
``` | output | 1 | 90,973 | 0 | 181,947 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s is called even if the number represented by it i... | instruction | 0 | 90,974 | 0 | 181,948 |
Tags: implementation, strings
Correct Solution:
```
num = int(input())
datos = input()
string = list(datos)
string = list(map(int, string))
suma = 0
for n in range(num):
if string[n]%2 == 0:
suma += 1+ 1*n
print(suma)
``` | output | 1 | 90,974 | 0 | 181,949 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s is called even if the number represented by it i... | instruction | 0 | 90,975 | 0 | 181,950 |
Tags: implementation, strings
Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,copy,functools
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 10**9+7
dd = [(-1,0),(0,1),(1,0),(0,-1)]
ddn = [(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)]
def ... | output | 1 | 90,975 | 0 | 181,951 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s i... | instruction | 0 | 90,976 | 0 | 181,952 |
Yes | output | 1 | 90,976 | 0 | 181,953 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s i... | instruction | 0 | 90,977 | 0 | 181,954 |
Yes | output | 1 | 90,977 | 0 | 181,955 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s i... | instruction | 0 | 90,978 | 0 | 181,956 |
Yes | output | 1 | 90,978 | 0 | 181,957 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s i... | instruction | 0 | 90,979 | 0 | 181,958 |
Yes | output | 1 | 90,979 | 0 | 181,959 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s i... | instruction | 0 | 90,980 | 0 | 181,960 |
No | output | 1 | 90,980 | 0 | 181,961 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s i... | instruction | 0 | 90,981 | 0 | 181,962 |
No | output | 1 | 90,981 | 0 | 181,963 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s i... | instruction | 0 | 90,982 | 0 | 181,964 |
No | output | 1 | 90,982 | 0 | 181,965 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s=s_1s_2... s_n of length n, which only contains digits 1, 2, ..., 9.
A substring s[l ... r] of s is a string s_l s_{l + 1} s_{l + 2} … s_r. A substring s[l ... r] of s i... | instruction | 0 | 90,983 | 0 | 181,966 |
No | output | 1 | 90,983 | 0 | 181,967 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You have two strings a and b of equal even length n consisting of characters 0 and 1.
We're in the endgame now. To finally make the universe perfectly balanced, you need to make strings a and b equal.
In one step, you can choose any prefix... | instruction | 0 | 91,017 | 0 | 182,034 |
Tags: constructive algorithms
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
# region fastio
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writable = "x" in file.mode or "r" not... | output | 1 | 91,017 | 0 | 182,035 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark with one of the letters "a", "b" and "c". Here w... | instruction | 0 | 91,130 | 0 | 182,260 |
Tags: combinatorics, dp, strings
Correct Solution:
```
from collections import defaultdict as dd
mod = 10**9 + 7
pw = {-1:0, 0:1}
for i in range(1,200001):
pw[i] = pw[i-1]*3 % mod
def solve(st, n):
a,c,q = dd(int), dd(int), dd(int)
for i,it in enumerate(st):
a[i], c[i], q[i] = a[i-1], c[i-1], q[i... | output | 1 | 91,130 | 0 | 182,261 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark with one of the letters "a", "b" and "c". Here w... | instruction | 0 | 91,131 | 0 | 182,262 |
Tags: combinatorics, dp, strings
Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time
# sys.setrecursionlimit(5*10**5)
inf = 10**20
mod = 10**9 + 7
def LI(): return list(map(int, input().split()))
def II(): return int(input())
def LS(): return list(input().spli... | output | 1 | 91,131 | 0 | 182,263 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark with one of the letters "a", "b" and "c". Here w... | instruction | 0 | 91,132 | 0 | 182,264 |
Tags: combinatorics, dp, strings
Correct Solution:
```
import sys
input = sys.stdin.readline
n = int(input())
s = input()[:-1]
dp = [[0]*4 for _ in range(n+1)]
dp[0][0] = 1
MOD = 10**9+7
for i in range(n):
if s[i]!='?':
dp[i+1][0] = dp[i][0]
dp[i+1][1] = (dp[i][1]+(dp[i][0] if s[i]=='a' else 0))%M... | output | 1 | 91,132 | 0 | 182,265 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark with one of the letters "a", "b" and "c". Here w... | instruction | 0 | 91,133 | 0 | 182,266 |
Tags: combinatorics, dp, strings
Correct Solution:
```
n = int(input())
word = input()
P = [[0, 0, 0] for _ in range(n + 1)]
P_w = [0, 0, 0]
cnt = 1
mod = int(1e9 + 7)
for i in range(n):
P[i+1][0] = P[i][0]
P[i+1][1] = P[i][1]
P[i+1][2] = P[i][2]
if word[i] == "a":
P[i+1][0] = (P[i][0] + cnt) % ... | output | 1 | 91,133 | 0 | 182,267 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark with one of the letters "a", "b" and "c". Here w... | instruction | 0 | 91,134 | 0 | 182,268 |
Tags: combinatorics, dp, strings
Correct Solution:
```
Mod = 10 ** 9 + 7
n = int(input())
s = input()
cnt, a, ab, abc = 1, 0, 0, 0
for i in range(len(s)):
if s[i] == 'a':
a += cnt
a %= Mod
elif s[i] == 'b':
ab += a
ab %= Mod
elif s[i] == 'c':
abc += ab
abc ... | output | 1 | 91,134 | 0 | 182,269 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark with one of the letters "a", "b" and "c". Here w... | instruction | 0 | 91,135 | 0 | 182,270 |
Tags: combinatorics, dp, strings
Correct Solution:
```
from bisect import bisect_left, bisect_right
class Result:
def __init__(self, index, value):
self.index = index
self.value = value
class BinarySearch:
def __init__(self):
pass
@staticmethod
def greater_than(num: int, func,... | output | 1 | 91,135 | 0 | 182,271 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark with one of the letters "a", "b" and "c". Here w... | instruction | 0 | 91,136 | 0 | 182,272 |
Tags: combinatorics, dp, strings
Correct Solution:
```
mod=10**9+7
n=int(input())
s=input()
na=0
nb=0
nc=0
rt=1
for i in range(n):
if s[i]=='?':
nc=3*nc+nb
nb=3*nb+na
na=3*na+rt
rt*=3
else:
if s[i]=='a':
na+=rt
elif s[i]=='b':
nb+=na
... | output | 1 | 91,136 | 0 | 182,273 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark with one of the letters "a", "b" and "c". Here w... | instruction | 0 | 91,137 | 0 | 182,274 |
Tags: combinatorics, dp, strings
Correct Solution:
```
mod=10**9+7
n=int(input())
s=input()[::-1]
#dp=[c,bc,abc]
dp=[[0]*3 for _ in range(n+1)]
pows=[1]
for i in range(n):
pows.append((pows[-1]*3)%mod)
cnt=0
for i in range(n):
if s[i]=='a':
dp[i+1][0]+=dp[i][0]
dp[i+1][1]+=dp[i][1]
dp[i... | output | 1 | 91,137 | 0 | 182,275 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark w... | instruction | 0 | 91,138 | 0 | 182,276 |
Yes | output | 1 | 91,138 | 0 | 182,277 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark w... | instruction | 0 | 91,139 | 0 | 182,278 |
Yes | output | 1 | 91,139 | 0 | 182,279 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark w... | instruction | 0 | 91,140 | 0 | 182,280 |
Yes | output | 1 | 91,140 | 0 | 182,281 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark w... | instruction | 0 | 91,141 | 0 | 182,282 |
Yes | output | 1 | 91,141 | 0 | 182,283 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark w... | instruction | 0 | 91,142 | 0 | 182,284 |
No | output | 1 | 91,142 | 0 | 182,285 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark w... | instruction | 0 | 91,143 | 0 | 182,286 |
No | output | 1 | 91,143 | 0 | 182,287 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark w... | instruction | 0 | 91,144 | 0 | 182,288 |
No | output | 1 | 91,144 | 0 | 182,289 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s consisting of lowercase Latin letters "a", "b" and "c" and question marks "?".
Let the number of question marks in the string s be k. Let's replace each question mark w... | instruction | 0 | 91,145 | 0 | 182,290 |
No | output | 1 | 91,145 | 0 | 182,291 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first k lowercase Latin letters in such a way that th... | instruction | 0 | 91,170 | 0 | 182,340 |
Tags: binary search, bitmasks, brute force, dp, strings, two pointers
Correct Solution:
```
import sys
input = sys.stdin.readline
n, k = map(int, input().split())
s = input()[:-1]
left, right = 0, n
while left < right:
mid = right - (right - left) // 2
A = [[0] * (n + 2) for _ in range(k)]
for c in range(... | output | 1 | 91,170 | 0 | 182,341 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first k lowercase Latin letters in such a way that th... | instruction | 0 | 91,171 | 0 | 182,342 |
Tags: binary search, bitmasks, brute force, dp, strings, two pointers
Correct Solution:
```
import sys;input = sys.stdin.readline;n, k = map(int, input().split());s = input()[:-1];left, right = 0, n
while left < right:
mid = right - (right - left) // 2;A = [[0] * (n + 2) for _ in range(k)]
for c in range(k):
... | output | 1 | 91,171 | 0 | 182,343 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first k lowercase Latin letters in such a way that th... | instruction | 0 | 91,172 | 0 | 182,344 |
Tags: binary search, bitmasks, brute force, dp, strings, two pointers
Correct Solution:
```
import io,os
input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline
from collections import deque
n, k = map(int,input().split())
s = input()
def judge(needed):
inf = 2147483647
minstate = [inf]*(... | output | 1 | 91,172 | 0 | 182,345 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first k lowercase Latin letters in such a way that th... | instruction | 0 | 91,173 | 0 | 182,346 |
Tags: binary search, bitmasks, brute force, dp, strings, two pointers
Correct Solution:
```
import io,os
input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline
from collections import deque
n, k = map(int,input().split())
s = input()
def judge(needed):
inf = 2147483647
minstate = [inf]*(... | output | 1 | 91,173 | 0 | 182,347 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first k lowercase Latin letters in such a way that th... | instruction | 0 | 91,174 | 0 | 182,348 |
Tags: binary search, bitmasks, brute force, dp, strings, two pointers
Correct Solution:
```
N, K = list(map(int, input().split()))
S = input().strip()
S = [-1 if _ == '?' else ord(_) - ord('a') for _ in S]
def check(x):
p = [[N for i in range(N+1)] for k in range(K)]
for k in range(K):
keep = 0
... | output | 1 | 91,174 | 0 | 182,349 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first k lowercase Latin letters in such a way that th... | instruction | 0 | 91,175 | 0 | 182,350 |
Tags: binary search, bitmasks, brute force, dp, strings, two pointers
Correct Solution:
```
import io,os
input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline
from collections import deque
n, k = map(int,input().split())
s = input()
def judge(needed):
inf = 2147483647
minstate = [inf]*(... | output | 1 | 91,175 | 0 | 182,351 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first k lowercase Latin letters in such a way that th... | instruction | 0 | 91,176 | 0 | 182,352 |
Tags: binary search, bitmasks, brute force, dp, strings, two pointers
Correct Solution:
```
import io,os
input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline
from collections import deque
n, k = map(int,input().split())
s = input()
def judge(needed):
inf = 2147483647
minstate = [inf]*(... | output | 1 | 91,176 | 0 | 182,353 |
Provide tags and a correct Python 3 solution for this coding contest problem.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first k lowercase Latin letters in such a way that th... | instruction | 0 | 91,177 | 0 | 182,354 |
Tags: binary search, bitmasks, brute force, dp, strings, two pointers
Correct Solution:
```
import sys
input = lambda: sys.stdin.readline().rstrip()
N, K = map(int, input().split())
S = [-1 if a == "?" else ord(a) - 97 for a in input()]
II = {1 << i: i for i in range(20)}
def calc(mmm):
inf = 300000
X = [[0] *... | output | 1 | 91,177 | 0 | 182,355 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first ... | instruction | 0 | 91,178 | 0 | 182,356 |
Yes | output | 1 | 91,178 | 0 | 182,357 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first ... | instruction | 0 | 91,179 | 0 | 182,358 |
Yes | output | 1 | 91,179 | 0 | 182,359 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first ... | instruction | 0 | 91,180 | 0 | 182,360 |
Yes | output | 1 | 91,180 | 0 | 182,361 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given a string s of length n. Each character is either one of the first k lowercase Latin letters or a question mark.
You are asked to replace every question mark with one of the first ... | instruction | 0 | 91,181 | 0 | 182,362 |
Yes | output | 1 | 91,181 | 0 | 182,363 |
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