2015年10月9日

HDU 2767 Proving Equivalences(强连通缩点)

摘要： Proving EquivalencesProblem DescriptionConsider the following exercise, found in a generic linear algebra textbook.Let A be an n × n matrix. Prove tha... 阅读全文

posted @ 2015-10-09 19:16 焰 阅读(182) 评论(0) 推荐(0) 编辑

HDU 3836 Equivalent Sets(强连通缩点)

摘要： Equivalent SetsProblem DescriptionTo prove two sets A and B are equivalent, we can first prove A is a subset of B, and then prove B is a subset of A, ... 阅读全文

posted @ 2015-10-09 18:32 焰 阅读(257) 评论(0) 推荐(0) 编辑

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