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Re:402个结点就够了.In Reply To:402个结点就够了. Posted by:456852456852 at 2011-08-11 12:34:28 > 如果有用电器需要用到插座A, 那么插座A连一条容量为1的边到汇点就好了, 没必要把所有用电器都当成新的结点哦. > > 1. 读插座: > scanf("%d",&n); > for(i=1;i<=n;++i){ scanf("%s",tmp); ++m[S][getN(tmp)]; } > > 2. 读用电器: > scanf("%d",&M); > for(i=1;i<=M;++i){ scanf("%*s %s",tmp); ++m[getN(tmp)][T]; } > > 3. 读适配器: > scanf("%d",&n); > for(i=1;i<=n;++i){ scanf("%s %s",&tmp,&tmp1); m[getN(tmp1)][getN(tmp)]=INF; } Followed by: Post your reply here: |
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