摘要: #include<cstdio>#include<cstdlib>#include<cstring>#include<algorithm>#include<cmath>#include<iostream>using namespace std; const int N=100000+10,D=(in 阅读全文
posted @ 2018-08-02 16:33 奋斗の小白 阅读(152) 评论(0) 推荐(0) 编辑