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全部文章（共9篇）

题解 | 吐泡泡

import sys def main(): lines = sys.stdin.read().splitlines() T = len(lines) ret = [] idx = -1 for _ in range(T): idx += ...

2025-05-31

1 28

题解 | 好串

def main(): s = input() st = 0 n = len(s) for i in range(n): if s[i] == 'a': st += 1 elif s[i] == 'b': ...

2025-05-31

1 26

题解 | 括号配对问题

import queue def main(): st = queue.LifoQueue() s = input() n = len(s) for i in range(n): if s[i] == '[' or s[i] == '(': ...

2025-05-31

1 26

题解 | 求峰谷点数

class Solution: def countPeakPoint(self , a: List[int]) -> int: a = [a[0]] + a + [a[len(a) - 1]] n = len(a) cnt = 0 ...

2025-05-31

1 22

题解 | 【模板】序列操作

q = [] T = int(input()) for _ in range(T): a = list(map(int, input().split())) op = a[0] if op == 1: x = a[1] q.append(x) ...

2025-05-31

1 21

题解 | 小y的考试

T = int(input()) for _ in range(T): A = len(input()) B = len(input()) C = len(input()) D = len(input()) v = [A, B, C, D] mp = ...

2025-05-31

1 16

题解 | 珂朵莉的假toptree

n = int(input()) s = "" for i in range(1, n + 1): s += str(i) print(s[n - 1]) 不用枚举，时间复杂度O(n)

2025-05-31

2 20

题解 | BFS

print(input().lower().find('bob')) 使用内置函数

2025-05-31

1 26

题解 | Young Man Don‘t Say Five

s = list(input()) n = len(s) for i in range(n): if(s[i] == '5'): s[i] = '*' print(''.join(s))

2025-05-31

1 27