摘要: 题意:要求在一棵N(#include #include #include using namespace std;#define X first#define Y second#define pb(x) push_back(x)#define mp(x, y) make_pair(x, y)#def... 阅读全文
posted @ 2015-11-09 17:49 jklongint 阅读(307) 评论(0) 推荐(0) 编辑