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平行情况应该是当作看不见处理。

Posted by acmpkacm at 2007-05-05 10:08:45 on Problem 3227
In Reply To:平行的情况如何处理 Posted by:RPRush at 2007-05-04 16:40:54

  WR了N 多次 ，才过的 -_-! 。 这是几个测试数据。

9 5
0 0
2 5
4 1
5 2
6 1
8 8
10 2
11 3
12 0

7 6
0 0
2 5
3 2
4 3
100 1
101 6
102 0

5 0
0 0
1 2
3 1
4 100
5 0

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