与‘图论-最小路径覆盖’有关的日志

poj1422

maksyuki 发表于 oj 分类,标签: ,
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poj1422

Air Raid

Consider a town where all the streets are one-way and each street leads from one intersection to another. It is also known that starting from an intersection and walking through town's streets you can never reach the same intersection i.e. >>继续阅读