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竟然神奇的AC了！！900+msIn Reply To:终于AC..记录边就行了 Posted by:boycott at 2009-03-25 09:38:29 > You can assume that the number of 1s will not exceed 5000 in the input. > 1的个数不超过5000，用边保存图 Followed by: Post your reply here: |
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