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需要注意的地方

Posted by fuluofuluo at 2019-03-30 11:10:06 on Problem 3648
考虑新娘对面选择每一对之间的谁,因为新娘对面不可能放新娘,只能放新郎,所以加一套新娘->新郎的边,输出的时候得到的是对面的情况,反一下即可。  
还有就是输入的时候注意3h之间可能有空格!

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