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数据有非法情况

Posted by Hoblovski at 2014-04-23 15:49:17 on Problem 1915
In Reply To:ps: linux下可以用命令diff file1 file2 比较两个文件(刚在晚上搜的,大牛莫笑,仅致新手) Posted by:sicojuy at 2011-04-09 16:28:25
题意规定l>=4
比如这组数据
2
0 0
1 0
是无解的

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