摘要: 题意 Solution 压位+前缀和 1 #include <cstdio> 2 #include <iostream> 3 #include <cmath> 4 #include <algorithm> 5 #define ll int 6 using namespace std; 7 const 阅读全文
posted @ 2017-09-11 19:23 Michael_Zhuang 阅读(119) 评论(0) 推荐(0) 编辑