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两组数据

Posted by speedcell4 at 2012-03-19 14:09:29 on Problem 2914 and last updated at 2012-03-19 14:09:57 
3 3
0 1 1
1 2 2
0 2 3
4 4
0 1 1
1 2 1
2 3 1
3 0 1

ans: 3 2
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