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.
A string is called beautiful if no two consecutive characters are equal. For example, "ababcb", "a" and "abab" are beautiful strings, while "aaaaaa", "abaa" and "bb" are not.
Ahcl wants to cons... | instruction | 0 | 103,039 | 0 | 206,078 |
No | output | 1 | 103,039 | 0 | 206,079 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A string is called beautiful if no two consecutive characters are equal. For example, "ababcb", "a" and "abab" are beautiful strings, while "aaaaaa", "abaa" and "bb" are not.
Ahcl wants to cons... | instruction | 0 | 103,040 | 0 | 206,080 |
No | output | 1 | 103,040 | 0 | 206,081 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A string is called beautiful if no two consecutive characters are equal. For example, "ababcb", "a" and "abab" are beautiful strings, while "aaaaaa", "abaa" and "bb" are not.
Ahcl wants to cons... | instruction | 0 | 103,041 | 0 | 206,082 |
No | output | 1 | 103,041 | 0 | 206,083 |
Provide a correct Python 3 solution for this coding contest problem.
Problem
Jennifer and Marian presented Carla with the string S.
However, Carla is not happy to receive the string S.
I wanted the string T.
The three decided to work together to change the string S to the string T.
Jennifer first sorts the letters ... | instruction | 0 | 103,618 | 0 | 207,236 |
"Correct Solution:
```
# AOJ 1568: String Conversion
# Python3 2018.7.13 bal4u
cha, chzn = ord('a'), ord('z')+1
S, T = [0]*128, [0]*128
input()
a = input()
for x in a: S[ord(x)] += 1
S = sorted(S[cha:chzn], reverse=True)
a = input()
for x in a: T[ord(x)] += 1
T = sorted(T[cha:chzn], reverse=True)
ans = 0
for i in rang... | output | 1 | 103,618 | 0 | 207,237 |
Provide a correct Python 3 solution for this coding contest problem.
Problem
Jennifer and Marian presented Carla with the string S.
However, Carla is not happy to receive the string S.
I wanted the string T.
The three decided to work together to change the string S to the string T.
Jennifer first sorts the letters ... | instruction | 0 | 103,619 | 0 | 207,238 |
"Correct Solution:
```
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from collections import defaultdict
N = int(input())
s1 = input()
s2 = input()
def make_appears(s):
chars = list(map(ord, s))
hist = defaultdict(int)
for ch in chars:
hist[ch] += 1
appears = list(hist.values())
appears.... | output | 1 | 103,619 | 0 | 207,239 |
Provide a correct Python 3 solution for this coding contest problem.
Problem
Jennifer and Marian presented Carla with the string S.
However, Carla is not happy to receive the string S.
I wanted the string T.
The three decided to work together to change the string S to the string T.
Jennifer first sorts the letters ... | instruction | 0 | 103,620 | 0 | 207,240 |
"Correct Solution:
```
from collections import Counter
n = int(input())
counter1 = Counter(input())
counter2 = Counter(input())
values1 = [0] * (26 - len(counter1)) + sorted(counter1.values())
values2 = [0] * (26 - len(counter2)) + sorted(counter2.values())
print(sum([abs(i - j) for i, j in zip(values1, values2)]) // 2... | output | 1 | 103,620 | 0 | 207,241 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Problem
Jennifer and Marian presented Carla with the string S.
However, Carla is not happy to receive the string S.
I wanted the string T.
The three decided to work together to change the strin... | instruction | 0 | 103,622 | 0 | 207,244 |
No | output | 1 | 103,622 | 0 | 207,245 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
You are given two integers l and r.
Let's call an integer x modest, if l β€ x β€ r.
Find a string of length n, consisting of digits, which has the largest possible number of substrings, which ma... | instruction | 0 | 103,731 | 0 | 207,462 |
No | output | 1 | 103,731 | 0 | 207,463 |
Provide tags and a correct Python 3 solution for this coding contest problem.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substring (consecutive subsequence) consisting of equal... | instruction | 0 | 104,075 | 0 | 208,150 |
Tags: binary search, dp, strings, two pointers
Correct Solution:
```
n,k=map(int, input().split())
s=input()
a=0
b=0
ans=0
x=0
for i in range(n):
if s[i]=='a':
a+=1
else:
b+=1
if(min(a,b)<=k):
ans=max(ans,a+b)
else:
if s[x]=='a':
a-=1
else:
... | output | 1 | 104,075 | 0 | 208,151 |
Provide tags and a correct Python 3 solution for this coding contest problem.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substring (consecutive subsequence) consisting of equal... | instruction | 0 | 104,076 | 0 | 208,152 |
Tags: binary search, dp, strings, two pointers
Correct Solution:
```
def executa(n, k, letra, s):
r = 0
tk = k
p = 0
for i in range(n):
while r < n and tk >= 0:
if a[r] == letra:
if tk == 0:
break
tk -= 1
r += 1
... | output | 1 | 104,076 | 0 | 208,153 |
Provide tags and a correct Python 3 solution for this coding contest problem.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substring (consecutive subsequence) consisting of equal... | instruction | 0 | 104,077 | 0 | 208,154 |
Tags: binary search, dp, strings, two pointers
Correct Solution:
```
n, k = list(map(int, input().split()))
s = input()
res = 0
count_a = 0
count_b = 0
left = 0
right = 0
while True:
if s[right] == 'a':
count_a += 1
else:
count_b += 1
if count_a <= k or count_b <= k:
if right - left ... | output | 1 | 104,077 | 0 | 208,155 |
Provide tags and a correct Python 3 solution for this coding contest problem.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substring (consecutive subsequence) consisting of equal... | instruction | 0 | 104,078 | 0 | 208,156 |
Tags: binary search, dp, strings, two pointers
Correct Solution:
```
def answer(n,k,A):
if n==1:
return 1
dp=[0]*(n+1)
for i in range(1,n+1):
if A[i-1]=="a":
dp[i]=dp[i-1]+1
else:
dp[i]=dp[i-1]
l=0;r=0
maxi=0
while r>=l and r<n:
x... | output | 1 | 104,078 | 0 | 208,157 |
Provide tags and a correct Python 3 solution for this coding contest problem.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substring (consecutive subsequence) consisting of equal... | instruction | 0 | 104,079 | 0 | 208,158 |
Tags: binary search, dp, strings, two pointers
Correct Solution:
```
le, ch = map(int, input().split())
st = input()
ca, cb, si, mx = [0] * 4
for x in st:
if x == 'a':
ca += 1
else:
cb += 1
if min(ca, cb) > ch:
if st[si] == 'a':
ca -= 1
else:
cb -= 1
... | output | 1 | 104,079 | 0 | 208,159 |
Provide tags and a correct Python 3 solution for this coding contest problem.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substring (consecutive subsequence) consisting of equal... | instruction | 0 | 104,080 | 0 | 208,160 |
Tags: binary search, dp, strings, two pointers
Correct Solution:
```
from sys import stdin,stdout
def fn(a,ch):
# print(a)
ans=0
for i in range(n):
l,r=i,n-1
while l<=r:
mid=(l+r)>>1
req=a[i]+k-int(s[i]!=ch)
if a[mid]<=req:l=mid+1
else:r=mid-1
... | output | 1 | 104,080 | 0 | 208,161 |
Provide tags and a correct Python 3 solution for this coding contest problem.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substring (consecutive subsequence) consisting of equal... | instruction | 0 | 104,081 | 0 | 208,162 |
Tags: binary search, dp, strings, two pointers
Correct Solution:
```
num = input()
n, k = num.split()
n = int(n)
k = int(k)
string = input()
count_a = 0
count_b = 0
def check(ch):
i = 0
j = 0
count = 0
answer = 0
for i in range(n):
if(string[i] == ch):
count += 1
if(coun... | output | 1 | 104,081 | 0 | 208,163 |
Provide tags and a correct Python 3 solution for this coding contest problem.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substring (consecutive subsequence) consisting of equal... | instruction | 0 | 104,082 | 0 | 208,164 |
Tags: binary search, dp, strings, two pointers
Correct Solution:
```
read = lambda: map(int, input().split())
n, k = read()
s = input()
i = j = 0
cur = k
while cur and j < n:
if s[j] == 'a':
cur -= 1
j += 1
while j < n and s[j] == 'b':
j += 1
ans = j
while j < n:
while i < n and s[i] == 'b':
... | output | 1 | 104,082 | 0 | 208,165 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substrin... | instruction | 0 | 104,083 | 0 | 208,166 |
Yes | output | 1 | 104,083 | 0 | 208,167 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substrin... | instruction | 0 | 104,084 | 0 | 208,168 |
Yes | output | 1 | 104,084 | 0 | 208,169 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substrin... | instruction | 0 | 104,085 | 0 | 208,170 |
Yes | output | 1 | 104,085 | 0 | 208,171 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substrin... | instruction | 0 | 104,086 | 0 | 208,172 |
Yes | output | 1 | 104,086 | 0 | 208,173 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substrin... | instruction | 0 | 104,087 | 0 | 208,174 |
No | output | 1 | 104,087 | 0 | 208,175 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substrin... | instruction | 0 | 104,088 | 0 | 208,176 |
No | output | 1 | 104,088 | 0 | 208,177 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substrin... | instruction | 0 | 104,089 | 0 | 208,178 |
No | output | 1 | 104,089 | 0 | 208,179 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
High school student Vasya got a string of length n as a birthday present. This string consists of letters 'a' and 'b' only. Vasya denotes beauty of the string as the maximum length of a substrin... | instruction | 0 | 104,090 | 0 | 208,180 |
No | output | 1 | 104,090 | 0 | 208,181 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-palindrome if and only if it reads the same bac... | instruction | 0 | 104,136 | 0 | 208,272 |
Tags: brute force, dp, hashing, strings
Correct Solution:
```
s = input()
n = len(s)
max_palin = [[0 for i in range(n + 1)] for j in range(n + 1)]
count = [0 for i in range(n + 1)]
for sub_len in range(1, n + 1):
for left in range(0, n - sub_len + 1):
right = left + sub_len - 1
if sub_len == 1:
... | output | 1 | 104,136 | 0 | 208,273 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-palindrome if and only if it reads the same bac... | instruction | 0 | 104,137 | 0 | 208,274 |
Tags: brute force, dp, hashing, strings
Correct Solution:
```
class HString:
def __init__(self, string, base=257, modulo=1000000007):
self.__base, self.__modulo = base, modulo
self.__prefix_hash, self.__base_pow, self.__size = [], [1], 0
self += string
def __add__(self, string):
for ch in string:
self._... | output | 1 | 104,137 | 0 | 208,275 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-palindrome if and only if it reads the same bac... | instruction | 0 | 104,138 | 0 | 208,276 |
Tags: brute force, dp, hashing, strings
Correct Solution:
```
def PanlidromicCharacteristics(string):
n = len(string)
res = [[0 for i in range (n)] for j in range (n)]
count = [0 for i in range (n + 1)]
# for i in range (n):
# res[i][i] = 1
# count[1] += 1
for length in range (1, n + 1):
for i ... | output | 1 | 104,138 | 0 | 208,277 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-palindrome if and only if it reads the same bac... | instruction | 0 | 104,139 | 0 | 208,278 |
Tags: brute force, dp, hashing, strings
Correct Solution:
```
s = input()
n = len(s)
isPalindrome = [[False for i in range(n)] for i in range(n)]
for i in range(n):
isPalindrome[i][i] = True
for i in range(n - 1, -1, -1):
for j in range(i + 1, n):
if (s[i] == s[j] and (i + 1 == j or isPalindrome[i + 1][... | output | 1 | 104,139 | 0 | 208,279 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-palindrome if and only if it reads the same bac... | instruction | 0 | 104,140 | 0 | 208,280 |
Tags: brute force, dp, hashing, strings
Correct Solution:
```
s = input()
n = len(s)
dp = [[0 for i in range(n - le + 1)] for le in range(n + 1)]
ans = [0 for i in range(n + 1)]
for le in range(1, n + 1):
for l in range(0, n - le + 1):
r = l + le
if s[l] != s[r - 1]:
continue
i... | output | 1 | 104,140 | 0 | 208,281 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-palindrome if and only if it reads the same bac... | instruction | 0 | 104,141 | 0 | 208,282 |
Tags: brute force, dp, hashing, strings
Correct Solution:
```
s = input()
size = len(s)
dp = [[0 for l in range(size)] for li in range(size)]
ans = [0]*(size+1)
for i in range(1, size+1):
if i == 1:
for j in range(0, size):
dp[j][j] = 1
ans[1] += 1
elif i == 2:
for j ... | output | 1 | 104,141 | 0 | 208,283 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-palindrome if and only if it reads the same bac... | instruction | 0 | 104,142 | 0 | 208,284 |
Tags: brute force, dp, hashing, strings
Correct Solution:
```
def main():
s = input()
n = len(s)
isPalindrome = [[False for i in range(n + 1)] for i in range(n + 1)]
for i in range(n):
isPalindrome[i][i] = True
for i in range(n - 1, -1, -1):
for j in range(i + 1, n):
if (... | output | 1 | 104,142 | 0 | 208,285 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-palindrome if and only if it reads the same bac... | instruction | 0 | 104,143 | 0 | 208,286 |
Tags: brute force, dp, hashing, strings
Correct Solution:
```
s = input()
dp = [[0]*5005 for _ in range(5005)]
n = len(s)
ans = [0 for _ in range(5005)]
for length in range(1,n+1):
for l in range(n-length+1):
r = l+length
if(length == 1):
dp[l][r] = 1
continue
elif(length == 2):
dp[l][r] = 2 if(s[l] =... | output | 1 | 104,143 | 0 | 208,287 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-... | instruction | 0 | 104,144 | 0 | 208,288 |
Yes | output | 1 | 104,144 | 0 | 208,289 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-... | instruction | 0 | 104,145 | 0 | 208,290 |
Yes | output | 1 | 104,145 | 0 | 208,291 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-... | instruction | 0 | 104,146 | 0 | 208,292 |
Yes | output | 1 | 104,146 | 0 | 208,293 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-... | instruction | 0 | 104,147 | 0 | 208,294 |
Yes | output | 1 | 104,147 | 0 | 208,295 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-... | instruction | 0 | 104,148 | 0 | 208,296 |
No | output | 1 | 104,148 | 0 | 208,297 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Palindromic characteristics of string s with length |s| is a sequence of |s| integers, where k-th number is the total number of non-empty substrings of s which are k-palindromes.
A string is 1-... | instruction | 0 | 104,149 | 0 | 208,298 |
No | output | 1 | 104,149 | 0 | 208,299 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have two strings s and t, and their length is equal. You may perform the following operation any number of times: choose two different characters c1 and c2, and replace every occuren... | instruction | 0 | 104,168 | 0 | 208,336 |
No | output | 1 | 104,168 | 0 | 208,337 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have two strings s and t, and their length is equal. You may perform the following operation any number of times: choose two different characters c1 and c2, and replace every occuren... | instruction | 0 | 104,169 | 0 | 208,338 |
No | output | 1 | 104,169 | 0 | 208,339 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Suppose you have two strings s and t, and their length is equal. You may perform the following operation any number of times: choose two different characters c1 and c2, and replace every occuren... | instruction | 0 | 104,170 | 0 | 208,340 |
No | output | 1 | 104,170 | 0 | 208,341 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a string s consisting only of the digits 1, 2, or 3. The length of s is denoted by |s|. For each i from 1 to |s|, the i-th character of s is denoted by s_i.
There is one cursor. The cursor's location β is denoted by an intege... | instruction | 0 | 104,539 | 0 | 209,078 |
Tags: implementation, math
Correct Solution:
```
"""
NTC here
"""
from sys import stdin
# import threading
# setrecursionlimit(10**6)
# threading.stack_size(2**26)
def iin(): return int(stdin.readline())
def lin(): return list(map(int, stdin.readline().split()))
# range = xrange
# input = raw_input
md=10**9+7
def m... | output | 1 | 104,539 | 0 | 209,079 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a string s consisting only of the digits 1, 2, or 3. The length of s is denoted by |s|. For each i from 1 to |s|, the i-th character of s is denoted by s_i.
There is one cursor. The cursor's location β is denoted by an intege... | instruction | 0 | 104,540 | 0 | 209,080 |
Tags: implementation, math
Correct Solution:
```
M = int(1e9+7)
n = int(input())
while n>0:
n -= 1
x = int(input())
s = input()
idx = 0
length = len(s)
while length < x:
t = ord(s[idx])-ord('1')
s += s[idx+1:]*t
length += (length-idx-1)*t
idx += 1
while idx != x:
t = ord(s[idx])-ord('... | output | 1 | 104,540 | 0 | 209,081 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a string s consisting only of the digits 1, 2, or 3. The length of s is denoted by |s|. For each i from 1 to |s|, the i-th character of s is denoted by s_i.
There is one cursor. The cursor's location β is denoted by an intege... | instruction | 0 | 104,541 | 0 | 209,082 |
Tags: implementation, math
Correct Solution:
```
for _ in range(int(input())):
x = int(input())
s = list(input())
l = 0
ans = len(s)
while(l<x):
if(ans>=x):
break
temp = len(s)
ans+=(int(s[l])-1)*(temp-l-1)
for i in range(int(s[l])-1):
if(len(s... | output | 1 | 104,541 | 0 | 209,083 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a string s consisting only of the digits 1, 2, or 3. The length of s is denoted by |s|. For each i from 1 to |s|, the i-th character of s is denoted by s_i.
There is one cursor. The cursor's location β is denoted by an intege... | instruction | 0 | 104,542 | 0 | 209,084 |
Tags: implementation, math
Correct Solution:
```
M = 1000000007
t = int(input())
while t:
t += -1
x = int(input())
s = input()
i = 0
while len(s) < x:
s += s[i + 1: ] * (int(s[i]) - 1)
i += 1
n = len(s)
for j in range(i, x):
tmp = n - (j + 1)
n = j + 1 + tmp *... | output | 1 | 104,542 | 0 | 209,085 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a string s consisting only of the digits 1, 2, or 3. The length of s is denoted by |s|. For each i from 1 to |s|, the i-th character of s is denoted by s_i.
There is one cursor. The cursor's location β is denoted by an intege... | instruction | 0 | 104,543 | 0 | 209,086 |
Tags: implementation, math
Correct Solution:
```
def main():
TT = int(input())
for _ in range(TT):
x = int(input())
s = [int(c) for c in input().strip()]
ans = len(s)
for l in range(0, x):
ans += (ans - l - 1) * (s[l] - 1)
ans %= 1000000007
e... | output | 1 | 104,543 | 0 | 209,087 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a string s consisting only of the digits 1, 2, or 3. The length of s is denoted by |s|. For each i from 1 to |s|, the i-th character of s is denoted by s_i.
There is one cursor. The cursor's location β is denoted by an intege... | instruction | 0 | 104,544 | 0 | 209,088 |
Tags: implementation, math
Correct Solution:
```
ttt = int(input())
mod = 10**9 + 7
s = "#"*(10**6 + 1500)
s=list(s)
for bo in range(ttt):
x=int(input())
st=input()
s[1:len(st)+1]=list(st)
siz=len(st)
p = 0
while siz < x:
p += 1
whe = siz
for de4d in range(int(s[p])-1):
... | output | 1 | 104,544 | 0 | 209,089 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a string s consisting only of the digits 1, 2, or 3. The length of s is denoted by |s|. For each i from 1 to |s|, the i-th character of s is denoted by s_i.
There is one cursor. The cursor's location β is denoted by an intege... | instruction | 0 | 104,545 | 0 | 209,090 |
Tags: implementation, math
Correct Solution:
```
t = int(input())
ans = []
arr = [None] * (10 ** 6)
cur = 0
MOD = 10 ** 9 + 7
for _ in range(t):
x, s = int(input()), list(map(int, str(input())))
max_p = cur + x
for i in range(cur, min(max_p, cur + len(s))):
arr[i] = s[i - cur]
def copy(start,... | output | 1 | 104,545 | 0 | 209,091 |
Provide tags and a correct Python 3 solution for this coding contest problem.
We start with a string s consisting only of the digits 1, 2, or 3. The length of s is denoted by |s|. For each i from 1 to |s|, the i-th character of s is denoted by s_i.
There is one cursor. The cursor's location β is denoted by an intege... | instruction | 0 | 104,546 | 0 | 209,092 |
Tags: implementation, math
Correct Solution:
```
def solve(s,x):
n = len(s)
mod = 10**9 + 7
for i in range(x):
n += (n-i-1)*(int(s[i])-1)
n %= mod
if len(s) < x:
s += s[i+1:]*(int(s[i])-1)
return n
for _ in range(int(input())):
x = int(input())
s = input()
... | output | 1 | 104,546 | 0 | 209,093 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We start with a string s consisting only of the digits 1, 2, or 3. The length of s is denoted by |s|. For each i from 1 to |s|, the i-th character of s is denoted by s_i.
There is one cursor. ... | instruction | 0 | 104,547 | 0 | 209,094 |
Yes | output | 1 | 104,547 | 0 | 209,095 |
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