摘要: https://www.acwing.com/problem/content/1226/ 首先是暴力做法,O(N^2),对于1e4勉强可以过 #include<iostream> #include<algorithm> using namespace std; const int N = 10010 阅读全文
posted @ 2022-10-25 21:48 风乐 阅读(23) 评论(0) 推荐(0)