摘要: [LuoguP3803] 学了好久才懂了那么一点点哎 Code: 1 #include <bits/stdc++.h> 2 #define ll long long 3 using namespace std; 4 const int N = 1e7 + 7; 5 const double Pi = 阅读全文
posted @ 2020-01-15 20:32 Sun-dial 阅读(124) 评论(0) 推荐(0) 编辑