摘要: #include<bits/stdc++.h> using namespace std; #define int long long #define endl '\n' double inf = 1e8; double R = 6371.393;//地球半径 double pai = 3.14159 阅读全文
posted @ 2023-08-28 01:36 DLSQS 阅读(64) 评论(0) 推荐(0)