摘要： http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=85zju Alien Security spfa#include<iostream>#include<algorithm>#include<string>#include<cstring>#include<queue>using namespace std;const int INF=1000000;int vis[101],g[101][101],d[101];int n,ET;//ET目标房间void spfa( 阅读全文