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终于过了，调了半天，原来犯了一个很白痴的错误~~提示两点： (1) 注意题干“popular by every other cow”，也就是说被其它所有cow popular，所以如果存在解的话，那么应该至少是弱连通图；如果改成the number of most popular of the herd,题目会稍难一下。 (2) 考虑到矩阵是一个稀疏矩阵，建议使用静态链表！ Followed by: Post your reply here: |
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