UVALlive 2957 Bring Them There
图中虚线是反向弧。在检查飞船某天是否从A->B时要去检查原来的m条边对应的边是否流量不为0 1、MAXN要开到2500 2、f+=MaxFlow(s,limit),写成MaxFlow(s,INF)会wa 3、要考虑到电脑被移到u[i]的情况（每台电脑一天只能走一条边） #include<iostream>
#include<queue>
#include<cstring>
#include<std
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相关文章
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