09 2025 档案

2_2025.9.26_2
摘要：题目：[https://codeforces.com/problemset/problem/2140/E2] ac代码：[https://codeforces.com/contest/2140/submission/340632254] 思路： 根据easy version的状压dp做法，利用二分答 阅读全文
posted @ 2025-09-26 22:35 laopohou 阅读(6) 评论(0) 推荐(0)
1_2025.9.26_1
摘要：题目：[https://codeforces.com/problemset/problem/2140/E1] ac代码：[https://codeforces.com/contest/2140/submission/340570458] 思路：状压dp，因m<=2，n<=20，所以将状态压缩遍历，再 阅读全文
posted @ 2025-09-26 14:41 laopohou 阅读(10) 评论(0) 推荐(0)