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题解 | 三角谜题

import math def trig_area(a, c): s = float((a + a + c) / 2) return math.sqrt(s * (s - a) * (s - a) * (s - c)) T = int(input()) for t in range(...

2025-08-20

0 10

题解 | 查找两个字符串a,b中的最长公共子串

import sys s, t = input(), input() if len(s)<len(t): s, t = t, s s_n, t_n = len(s), len(t) dp = [[0] * (t_n+1) for _ in range(s_n+1)] # print(...

2025-08-13

0 19

题解 | 24点游戏算法

import sys arr = list(map(int, input().split())) N = 4 visit = [] st = [] path = [] def dfs(l, res): # if len(path)==4: # if path[0][0] ...

2025-08-11

0 20

题解 | 小红的好排列

import sys n = int(input()) N = n // 3 n_2 = n // 2 MOD = 1000000007 def order(n0, n1): res = 1 for i in range(n0, n1, -1): res = (res...

2025-08-10

0 23

题解 | Sudoku

import sys n = 9 sudoku = [] row_record = [[0]*n for _ in range(n)] col_record = [[0]*n for _ in range(n)] grid_record = [[[0]*n for _ in range(3)] fo...

2025-08-08

0 22