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Re:验证数据都对,怎么就wa了呢/

Posted by wrong123 at 2006-01-14 22:49:07 on Problem 2624
In Reply To:Re:验证数据都对,怎么就wa了呢/ Posted by:HBU_try at 2005-10-03 18:36:26
不要除法,只需要加减就行了:

2 * 中点(x0, y0) =  1+3  or  2+4  即可求得第4点坐标

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