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o(n)算法172ms飘过,发两组可能卡人的测试数据

Posted by dut200901102 at 2010-11-12 11:46:05 on Problem 1935 and last updated at 2010-11-12 11:48:54
9 1
1 2 3
2 3 1
3 4 1
3 5 1
2 6 1
6 7 1
7 8 1
6 9 1
3
7 8 9
ans:8
5 1
1 2 1
1 3 2
3 4 1
4 5 2
2
3 4
ans:3

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