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你真是太聪明了,怎么想到的.In Reply To:Re:一个有向无环图，让你用最少的士兵把这个图遍历，每个士兵只能沿一条路走 Posted by:sunmoonstar_love at 2005-08-01 16:47:14 > > 左边集合a，右边集合b > 如果b中的可以形成匹配， > 则它可以被其他点来的兵访问， > 不能被匹配的点只能设置个兵了 Followed by: Post your reply here: |
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