摘要: 1 #include 2 3 using namespace std; 4 5 #define MP make_pair 6 #define PB push_back 7 typedef long long LL; 8 typedef pair PII; 9 const double eps=1e-8; 10 const double pi=acos(... 阅读全文
posted @ 2017-10-20 12:33 weeping 阅读(323) 评论(1) 推荐(1) 编辑