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有木有人给个强点的数据啊?我是先缩点之后,然后每次询问就通过一次bfs寻找两点所经过的路径上的边就不能成为桥了,然后每次记录删除的桥,我自己的数据都是过了的,交上去就是wa!有木有牛人给个强点的数据让我知道我挂在哪里啊? Followed by: Post your reply here: |
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