摘要: #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; #define debug(a) cout << #a << ": " << a << endl #defi 阅读全文
posted @ 2020-12-14 22:31 purinliang 阅读(67) 评论(0) 推荐(0) 编辑
摘要: https://codeforces.com/contest/2/problem/C 随机移动算法。 double x[4], y[4], r[4]; double dis(double X, double Y, int id) { double len = sqrt(sq(X - x[id]) + 阅读全文
posted @ 2020-12-14 20:28 purinliang 阅读(382) 评论(0) 推荐(0) 编辑