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 |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
A telephone number is a sequence of exactly 11 digits, where the first digit is 8. For example, the sequence 80011223388 is a telephone number, but the sequences 70011223388 and 80000011223388 are not.
You are given a string s of length n, ... | instruction | 0 | 51,379 | 0 | 102,758 |
Tags: brute force, greedy, strings
Correct Solution:
```
T=int(input())
for _ in range(T):
n=int(input())
strng=input().strip()
if (n<11):
print('NO')
else:
if('8' in strng[:n-10]):
print('YES')
else:
print('NO')
``` | output | 1 | 51,379 | 0 | 102,759 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A telephone number is a sequence of exactly 11 digits, where the first digit is 8. For example, the sequence 80011223388 is a telephone number, but the sequences 70011223388 and 80000011223388 are not.
You are given a string s of length n, ... | instruction | 0 | 51,380 | 0 | 102,760 |
Tags: brute force, greedy, strings
Correct Solution:
```
import sys
import re
def main():
inp = sys.stdin.read().strip().split()[2::2]
out = []
for s in inp:
out.append(('NO', 'YES')[bool(re.search('8\d{10}', s))])
return out
print(*main(), sep='\n')
``` | output | 1 | 51,380 | 0 | 102,761 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A telephone number is a sequence of exactly 11 digits, where the first digit is 8. For example, the sequence 80011223388 is a telephone number, but the sequences 70011223388 and 80000011223388 are not.
You are given a string s of length n, ... | instruction | 0 | 51,381 | 0 | 102,762 |
Tags: brute force, greedy, strings
Correct Solution:
```
for _ in range(int(input())):
n = int(input())
s = input()
if n>=11 and '8' in s[:-10]:
print('YES')
else:
print('NO')
``` | output | 1 | 51,381 | 0 | 102,763 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A telephone number is a sequence of exactly 11 digits, where the first digit is 8. For example, the sequence 80011223388 is a telephone number, but the sequences 70011223388 and 80000011223388 are not.
You are given a string s of length n, ... | instruction | 0 | 51,382 | 0 | 102,764 |
Tags: brute force, greedy, strings
Correct Solution:
```
[[print('YES' if n >= n - input().find('8') >= 11 else 'NO') for n in [int(input())]] for _ in range(int(input()))]
``` | output | 1 | 51,382 | 0 | 102,765 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A telephone number is a sequence of exactly 11 digits, where the first digit is 8. For example, the sequence 80011223388 is a telephone number, but the sequences 70011223388 and 80000011223388 are not.
You are given a string s of length n, ... | instruction | 0 | 51,383 | 0 | 102,766 |
Tags: brute force, greedy, strings
Correct Solution:
```
t = int(input())
for i in range(t):
n = int(input())
s = input()
if n < 11:
print("NO")
else:
a = s.find('8')
if -1 == a:
print("NO")
else:
if n - a >= 11:
print("YES")
... | output | 1 | 51,383 | 0 | 102,767 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A telephone number is a sequence of exactly 11 digits, where the first digit is 8. For example, the sequence 80011223388 is a telephone number, but the sequences 70011223388 and 80000011223388 are not.
You are given a string s of length n, ... | instruction | 0 | 51,384 | 0 | 102,768 |
Tags: brute force, greedy, strings
Correct Solution:
```
def solve(s):
if len(s) == 11 and s[0] == '8':
return True
if len(s) < 11:
return False
if len(s) > 11:
i = 0
while i < len(s):
if s[i] == '8':
break
i += 1
if len(s)-i >= 11:
return True
return False
t = int(input())
for _ in rang... | output | 1 | 51,384 | 0 | 102,769 |
Provide tags and a correct Python 3 solution for this coding contest problem.
A telephone number is a sequence of exactly 11 digits, where the first digit is 8. For example, the sequence 80011223388 is a telephone number, but the sequences 70011223388 and 80000011223388 are not.
You are given a string s of length n, ... | instruction | 0 | 51,385 | 0 | 102,770 |
Tags: brute force, greedy, strings
Correct Solution:
```
t = int(input())
output = []
for _ in range(t):
n = int(input())
s = input()
p = s.find("8")
ans = "YES" if (p >= 0) and (p + 10 < n) else "NO"
output.append(ans)
print("\n".join(output))
``` | output | 1 | 51,385 | 0 | 102,771 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A telephone number is a sequence of exactly 11 digits, where the first digit is 8. For example, the sequence 80011223388 is a telephone number, but the sequences 70011223388 and 80000011223388 a... | instruction | 0 | 51,390 | 0 | 102,780 |
No | output | 1 | 51,390 | 0 | 102,781 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A telephone number is a sequence of exactly 11 digits, where the first digit is 8. For example, the sequence 80011223388 is a telephone number, but the sequences 70011223388 and 80000011223388 a... | instruction | 0 | 51,392 | 0 | 102,784 |
No | output | 1 | 51,392 | 0 | 102,785 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
A telephone number is a sequence of exactly 11 digits, where the first digit is 8. For example, the sequence 80011223388 is a telephone number, but the sequences 70011223388 and 80000011223388 a... | instruction | 0 | 51,393 | 0 | 102,786 |
No | output | 1 | 51,393 | 0 | 102,787 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin letters. She considers a string t as hidden in... | instruction | 0 | 51,464 | 0 | 102,928 |
Tags: brute force, dp, math, strings
Correct Solution:
```
from collections import Counter
a = list(map(lambda c: ord(c)-97, input()))
dp = [0]*26
dp2 = Counter()
for c in a:
for i in range(26):
if i == c:
continue
dp2[i, c] += dp[i]
dp[c] += 1
ans = max(
max(dp),
max(dp) ... | output | 1 | 51,464 | 0 | 102,929 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin letters. She considers a string t as hidden in... | instruction | 0 | 51,465 | 0 | 102,930 |
Tags: brute force, dp, math, strings
Correct Solution:
```
from collections import *
l = list(input())
n = len(l)
arr = [[0]*30 for i in range(30)]
array = [0]*30
for i in range(n):
val = ord(l[i]) - ord('a') + 1
for j in range(1,27):
arr[j][val] += array[j]
array[val] += 1
ans = 0
for i in range(1,... | output | 1 | 51,465 | 0 | 102,931 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin letters. She considers a string t as hidden in... | instruction | 0 | 51,466 | 0 | 102,932 |
Tags: brute force, dp, math, strings
Correct Solution:
```
d={}
s={0}
for x in input(""):
for y in s:d[x,y]=d.get((x,y),0)+d.get(y,0)
s|={x};d[x]=d.get(x,0)+1
print(max(d.values()))
``` | output | 1 | 51,466 | 0 | 102,933 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin letters. She considers a string t as hidden in... | instruction | 0 | 51,467 | 0 | 102,934 |
Tags: brute force, dp, math, strings
Correct Solution:
```
def main():
s = input()
cnt = [s.count(chr(ord('a') + i)) for i in range(26)]
an = max(cnt)
for i in range(26):
lol = [0] * 26
kek = cnt[::]
for c in s:
kek[ord(c) - ord('a')] -= 1
if ord(c) - ord(... | output | 1 | 51,467 | 0 | 102,935 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin letters. She considers a string t as hidden in... | instruction | 0 | 51,468 | 0 | 102,936 |
Tags: brute force, dp, math, strings
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
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 in f... | output | 1 | 51,468 | 0 | 102,937 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin letters. She considers a string t as hidden in... | instruction | 0 | 51,469 | 0 | 102,938 |
Tags: brute force, dp, math, strings
Correct Solution:
```
import sys
input = lambda: sys.stdin.readline().rstrip()
ans=[0]*26
a=[ord(i)-97 for i in input()]
cnt=[0]*26 ; maxx=[0]*26 ; ans=[0]*26
for i in a:
cnt[i]+=1
for i in range(len(ans)):
z=cnt[i]*(cnt[i]+1)//2-cnt[i]
for j in range(len(a)-1,-1,-1):
... | output | 1 | 51,469 | 0 | 102,939 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin letters. She considers a string t as hidden in... | instruction | 0 | 51,470 | 0 | 102,940 |
Tags: brute force, dp, math, strings
Correct Solution:
```
from collections import defaultdict
s = list(input())
arr = [0 for j in range(26)]
index = defaultdict(int)
for j in range(len(s)):
for k in range(26):
v = chr(k+97)+s[j]
index[v]+=arr[k]
arr[ord(s[j])-97]+=1
maximum = max(arr)
for j in ... | output | 1 | 51,470 | 0 | 102,941 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin letters. She considers a string t as hidden in... | instruction | 0 | 51,471 | 0 | 102,942 |
Tags: brute force, dp, math, strings
Correct Solution:
```
s=str(input())
cml=[[0 for i in range(len(s)+1)] for j in range(26)]
c=1
for i in s:
k=ord(i)-ord("a")
cml[k][c]=cml[k][c-1]+1
for j in range(26):
if j!=k:cml[j][c]=cml[j][c-1]
c+=1
ab=[[0 for i in range(26)] for j in range(26)]
c=1
for k in s:
i=ord(... | output | 1 | 51,471 | 0 | 102,943 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin... | instruction | 0 | 51,472 | 0 | 102,944 |
Yes | output | 1 | 51,472 | 0 | 102,945 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin... | instruction | 0 | 51,473 | 0 | 102,946 |
Yes | output | 1 | 51,473 | 0 | 102,947 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin... | instruction | 0 | 51,474 | 0 | 102,948 |
Yes | output | 1 | 51,474 | 0 | 102,949 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin... | instruction | 0 | 51,475 | 0 | 102,950 |
Yes | output | 1 | 51,475 | 0 | 102,951 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin... | instruction | 0 | 51,476 | 0 | 102,952 |
No | output | 1 | 51,476 | 0 | 102,953 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin... | instruction | 0 | 51,477 | 0 | 102,954 |
No | output | 1 | 51,477 | 0 | 102,955 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin... | instruction | 0 | 51,478 | 0 | 102,956 |
No | output | 1 | 51,478 | 0 | 102,957 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Bessie the cow has just intercepted a text that Farmer John sent to Burger Queen! However, Bessie is sure that there is a secret message hidden inside.
The text is a string s of lowercase Latin... | instruction | 0 | 51,479 | 0 | 102,958 |
No | output | 1 | 51,479 | 0 | 102,959 |
Provide a correct Python 3 solution for this coding contest problem.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be chosen more than once - and concatenating them in some ord... | instruction | 0 | 51,916 | 0 | 103,832 |
"Correct Solution:
```
import sys
INF = 1 << 60
MOD = 10**9 + 7 # 998244353
sys.setrecursionlimit(2147483647)
input = lambda:sys.stdin.readline().rstrip()
from itertools import product
from heapq import heappop, heappush
def resolve():
n = int(input())
S = [None] * n
C = [None] * n
for i in range(n):
... | output | 1 | 51,916 | 0 | 103,833 |
Provide a correct Python 3 solution for this coding contest problem.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be chosen more than once - and concatenating them in some ord... | instruction | 0 | 51,917 | 0 | 103,834 |
"Correct Solution:
```
import sys
import queue
input_methods=['clipboard','file','key']
using_method=0
input_method=input_methods[using_method]
tin=lambda : map(int, input().split())
lin=lambda : list(tin())
mod=1000000007
#+++++
def is_kaibun(s):
if len(s) <= 1:
return True
for c, cc in zip(s,s[::-1]):
if c ... | output | 1 | 51,917 | 0 | 103,835 |
Provide a correct Python 3 solution for this coding contest problem.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be chosen more than once - and concatenating them in some ord... | instruction | 0 | 51,918 | 0 | 103,836 |
"Correct Solution:
```
from heapq import heappush, heappop
inf = float('inf')
def dijkstra(graph:list, node:int, start:int) -> list:
dist = [inf]*node
dist[start] = 0
heap = [(0,start)]
while heap:
cost,thisNode = heappop(heap)
for NextCost,NextNode in graph[thisNode]:
dist_... | output | 1 | 51,918 | 0 | 103,837 |
Provide a correct Python 3 solution for this coding contest problem.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be chosen more than once - and concatenating them in some ord... | instruction | 0 | 51,919 | 0 | 103,838 |
"Correct Solution:
```
'''
自宅用PCでの解答
'''
import math
#import numpy as np
import itertools
import queue
import bisect
from collections import deque,defaultdict
import heapq as hpq
from sys import stdin,setrecursionlimit
#from scipy.sparse.csgraph import dijkstra
#from scipy.sparse import csr_matrix
ipt = stdin.readline
... | output | 1 | 51,919 | 0 | 103,839 |
Provide a correct Python 3 solution for this coding contest problem.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be chosen more than once - and concatenating them in some ord... | instruction | 0 | 51,920 | 0 | 103,840 |
"Correct Solution:
```
from collections import deque
def isPalindrome(s):
L = len(s)
rst = True
if L:
for i in range(L // 2):
if s[i] != s[L - 1 - i]:
rst = False
break
return rst
N = int(input())
S = []
for _ in range(N):
s, c = input().split(... | output | 1 | 51,920 | 0 | 103,841 |
Provide a correct Python 3 solution for this coding contest problem.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be chosen more than once - and concatenating them in some ord... | instruction | 0 | 51,921 | 0 | 103,842 |
"Correct Solution:
```
# -*- coding: utf-8 -*-
#############
# Libraries #
#############
import sys
input = sys.stdin.readline
import math
#from math import gcd
import bisect
import heapq
from collections import defaultdict
from collections import deque
from collections import Counter
from functools import lru_cache... | output | 1 | 51,921 | 0 | 103,843 |
Provide a correct Python 3 solution for this coding contest problem.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be chosen more than once - and concatenating them in some ord... | instruction | 0 | 51,922 | 0 | 103,844 |
"Correct Solution:
```
it = lambda: list(map(int, input().strip().split()))
INF = float('inf')
def solve():
N = int(input())
S = []
R = []
C = []
for _ in range(N):
s, c = input().strip().split()
S.append(s)
R.append(s[::-1])
C.append(int(c))
vis = set()
... | output | 1 | 51,922 | 0 | 103,845 |
Provide a correct Python 3 solution for this coding contest problem.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be chosen more than once - and concatenating them in some ord... | instruction | 0 | 51,923 | 0 | 103,846 |
"Correct Solution:
```
from collections import deque
def isPalindrome(s):
L = len(s)
return all(s[i] == s[L - 1 - i] for i in range(L // 2))
N = int(input())
S = []
for _ in range(N):
s, c = input().split()
S.append((s, int(c)))
path = [dict() for _ in range(2)]
q = deque()
# S.sort(key=lambda x: x... | output | 1 | 51,923 | 0 | 103,847 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be ch... | instruction | 0 | 51,924 | 0 | 103,848 |
Yes | output | 1 | 51,924 | 0 | 103,849 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be ch... | instruction | 0 | 51,925 | 0 | 103,850 |
Yes | output | 1 | 51,925 | 0 | 103,851 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be ch... | instruction | 0 | 51,926 | 0 | 103,852 |
Yes | output | 1 | 51,926 | 0 | 103,853 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be ch... | instruction | 0 | 51,927 | 0 | 103,854 |
Yes | output | 1 | 51,927 | 0 | 103,855 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be ch... | instruction | 0 | 51,928 | 0 | 103,856 |
No | output | 1 | 51,928 | 0 | 103,857 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be ch... | instruction | 0 | 51,929 | 0 | 103,858 |
No | output | 1 | 51,929 | 0 | 103,859 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be ch... | instruction | 0 | 51,930 | 0 | 103,860 |
No | output | 1 | 51,930 | 0 | 103,861 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
We have N strings of lowercase English letters: S_1, S_2, \cdots, S_N.
Takahashi wants to make a string that is a palindrome by choosing one or more of these strings - the same string can be ch... | instruction | 0 | 51,931 | 0 | 103,862 |
No | output | 1 | 51,931 | 0 | 103,863 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string $S$, which is balanced parentheses with a star symbol '*' inserted.
Any balanced parentheses can be constructed using the following rules:
* An empty string is balanced.
* Concatenation of two balanced parentheses is balanced... | instruction | 0 | 52,148 | 0 | 104,296 |
"Correct Solution:
```
S = list(input())
S_l = len(S)
n=0
l = []
r = []
f_l, f_r = 0,0
for n in range(S.index('*')):
if S[n]== '(':
f_l += 1
elif S[n]== ')':
f_l -= 1
for n in range(S_l - S.index('*')):
if S[S_l-n-1] == ')':
f_r += 1
elif S[S_l-n-1]== '(':
f_r -= 1
print(... | output | 1 | 52,148 | 0 | 104,297 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string $S$, which is balanced parentheses with a star symbol '*' inserted.
Any balanced parentheses can be constructed using the following rules:
* An empty string is balanced.
* Concatenation of two balanced parentheses is balanced... | instruction | 0 | 52,149 | 0 | 104,298 |
"Correct Solution:
```
S=list(input())
N=S.index('*')
P=abs(S[0:N].count('(')-S[0:N].count(')'))
Q=abs(S[N+1:len(S)].count('(')-S[N+1:len(S)].count(')'))
print(min(P,Q))
``` | output | 1 | 52,149 | 0 | 104,299 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string $S$, which is balanced parentheses with a star symbol '*' inserted.
Any balanced parentheses can be constructed using the following rules:
* An empty string is balanced.
* Concatenation of two balanced parentheses is balanced... | instruction | 0 | 52,150 | 0 | 104,300 |
"Correct Solution:
```
s = input()
while '()' in s:
s = s.replace('()', '')
else:
print(s.count('('))
``` | output | 1 | 52,150 | 0 | 104,301 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string $S$, which is balanced parentheses with a star symbol '*' inserted.
Any balanced parentheses can be constructed using the following rules:
* An empty string is balanced.
* Concatenation of two balanced parentheses is balanced... | instruction | 0 | 52,151 | 0 | 104,302 |
"Correct Solution:
```
S = input()
n = 0
ans = 0
for i in S:
if i == "(":
n += 1
elif i == ")":
n -= 1
else:
print (n)
break
``` | output | 1 | 52,151 | 0 | 104,303 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string $S$, which is balanced parentheses with a star symbol '*' inserted.
Any balanced parentheses can be constructed using the following rules:
* An empty string is balanced.
* Concatenation of two balanced parentheses is balanced... | instruction | 0 | 52,153 | 0 | 104,306 |
"Correct Solution:
```
s=input()
ans=0
for i in range(len(s)):
if s[i]=="*":
break
elif s[i]=="(":
ans+=1
else:
ans-=1
print(ans)
``` | output | 1 | 52,153 | 0 | 104,307 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string of length N. Calculate the number of distinct substrings of S.
Constraints
* 1 \leq N \leq 500,000
* S consists of lowercase English letters.
Input
Input is given from Standard Input in the following format:
S
Output
P... | instruction | 0 | 52,822 | 0 | 105,644 |
"Correct Solution:
```
def sa_naive(s):
n = len(s)
sa = list(range(n))
sa.sort(key=lambda x: s[x:])
return sa
def sa_doubling(s):
n = len(s)
sa = list(range(n))
rnk = s
tmp = [0] * n
k = 1
while k < n:
sa.sort(key=lambda x: (rnk[x], rnk[x + k]) if x + k < n else (rnk[x],... | output | 1 | 52,822 | 0 | 105,645 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string of length N. Calculate the number of distinct substrings of S.
Constraints
* 1 \leq N \leq 500,000
* S consists of lowercase English letters.
Input
Input is given from Standard Input in the following format:
S
Output
P... | instruction | 0 | 52,823 | 0 | 105,646 |
"Correct Solution:
```
def sa_naive(s):
n = len(s)
sa = list(range(n))
sa.sort(key=lambda x: s[x:])
return sa
def sa_doubling(s):
n = len(s)
sa = list(range(n))
rnk = s
tmp = [0] * n
k = 1
while k < n:
sa.sort(key=lambda x: (rnk[x], rnk[x + k]) if x + k < n else (rnk[x],... | output | 1 | 52,823 | 0 | 105,647 |
Provide a correct Python 3 solution for this coding contest problem.
You are given a string of length N. Calculate the number of distinct substrings of S.
Constraints
* 1 \leq N \leq 500,000
* S consists of lowercase English letters.
Input
Input is given from Standard Input in the following format:
S
Output
P... | instruction | 0 | 52,824 | 0 | 105,648 |
"Correct Solution:
```
# # https://github.com/not522/ac-library-python/blob/master/atcoder/string.py
import copy
import functools
import typing
def _sa_naive(s: typing.List[int]) -> typing.List[int]:
sa = list(range(len(s)))
return sorted(sa, key=lambda i: s[i:])
def _sa_doubling(s: typing.List[int]) -> ty... | output | 1 | 52,824 | 0 | 105,649 |
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