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Re:排序规则究竟应该是什么样的？x升序y升序可以，x降序y降序也可以，x降序y升序就不行In Reply To:排序规则究竟应该是什么样的？x升序y升序可以，x降序y降序也可以，x降序y升序就不行 Posted by:jiajiawang at 2016-08-08 20:39:09 懂了，因为共点不算相交，如果当N相等的时候时候，如果把M小的放前面，计算他后面那个N值相等的点的时候，前面M比他小错误的加上了1，所以当N相等的时候必须按M从大到小的安放！ Followed by:
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