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放一组测试数据

Posted by ssy1994 at 2012-04-03 16:31:23 on Problem 1236
input:
50
17 0
34 32 3 0
7 14 21 5 0
30 0
2 0
0
0
7 1 0
50 47 0
13 37 0
21 13 0
31 0
33 50 0
38 0
50 34 0
5 20 3 0
35 11 0
32 50 19 0
31 46 34 0
6 46 11 0
29 6 14 0
0
0
8 3 37 0
35 29 4 0
0
8 22 25 0
20 3 32 0
30 18 32 0
45 26 1 0
46 0
28 6 14 0
30 0
31 16 0
20 17 0
44 16 0
14 34 0
22 0
0
5 33 9 0
0
0
1 12 19 0
30 5 0
28 36 3 0
41 0
32 31 0
23 0
37 42 0
0


output:
9
9

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