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Re:一直wa,谁能给道比较强的数据阿

Posted by tclsm1 at 2009-03-09 20:12:23 on Problem 2449
In Reply To:一直wa,谁能给道比较强的数据阿 Posted by:cc334 at 2008-08-22 14:20:07
2 2
1 2 1
1 2 2
1 2 2

ans is 2

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