摘要: #include<bits/stdc++.h> using namespace std; set<pair<double, double>> s; vector<pair<int, int> > v; int res; int main() { for (int i = 0;i < 20;i ++) 阅读全文
posted @ 2022-01-20 18:38 riz9 阅读(124) 评论(0) 推荐(0) 编辑