摘要：
这题就是用有向图的强连通分量来写,然后缩点,再找出入度为0的点的个数,就是答案注意:不知道为啥要动态分配内存...不这样就RE....郁闷// File Name: 11504.cpp// Author: Zlbing// Created Time: 2013/3/29 14:00:14#include<iostream>#include<string>#include<algorithm>#include<cstdlib>#include<cstdio>#include<set>#include<map>#i 阅读全文
摘要：
一道DFS题..不说了,说多了全是泪..// File Name: 11396.cpp// Author: Zlbing// Created Time: 2013/3/29 12:13:47#include<iostream>#include<string>#include<algorithm>#include<cstdlib>#include<cstdio>#include<set>#include<map>#include<vector>#include<cstring>#inclu 阅读全文