在记录秋招的四郎很想去夏威夷

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全部文章（共11篇）

题解 | 小心火烛的歪，by位运算

from itertools import combinations def main(): n, m, q = map(int, input().split()) gs = "".join(input().strip().replace(" &qu...

2025-06-23

1 32

题解 | 数组分组，用生成器降低复杂度

def compose(m: list[int]): c = len(m) if c < 2: return a, b = m[0:1], m[1:] yield a, b if c == 2: return fo...

2025-06-23

0 43

题解 | 24点运算

def choose(cands: list[str]): c = len(cands) for i in range(c): yield cands[i], cands[:i] + cands[i + 1 :] def calcs(a: int, b: int)...

2025-06-23

0 28

题解 | 最长回文子串

s = input() len_s = len(s) len_b = 1 for i in range(len_s): if i > len_s - len_b: break for j in range(i + len_b, len_s + 1): ...

2025-06-23

0 35

题解 | 24点游戏算法

def choose2(nums: list[float]): n = len(nums) d = set(range(n)) for i in range(n): for j in range(i + 1, n): yield num...

2025-06-22

0 37

题解 | 从单向链表中删除指定值的节点

n, start, *abs, k = map(int, input().split()) d = {} for i in range(1, len(abs), 2): a, b = abs[i - 1], abs[i] if b not in d: d[b] = a...

2025-06-22

0 27

题解 | Sudoku

Idxs = tuple[int, int, int] zeros = set[Idxs]() boxs = dict[int, list[Idxs]]() rows = list[list[str]]() for r in range(9): row = [] for c, v i...

2025-06-22

0 32

题解 | 统计每个月兔子的总数

n = int(input()) x = y = 1 for i in range(n - 2): t = x x = y y += t print(y)

2025-06-20

0 44

题解 | 密码截取

s = input() n = len(s) l = 1 for i in range(n - 1): if l >= n - i: continue for j in range(i + l, n+1): t = s[i:j] ...

2025-06-20

0 33

题解 | 查找兄弟单词

[n, *ss, x, k] = input().split() k = int(k) - 1 len_x = len(x) std_x = sorted(x) bro = sorted([s for s in ss if s != x and len(s) == len_x and sorted(...

2025-06-20

0 28