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只要求输出一个vector指明方向，怎么会有唯一解...

Posted by RoBa at 2006-08-14 16:28:42 on Problem 2972
In Reply To:大概数据可以保证唯一解吧....这个题目好麻烦.. Posted by:gajigajixmu at 2006-08-14 15:58:39 
比方说第一个sample，我输出0.5 0.5, 或者2 2，这样对不对?
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