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请问下是不是一个节点只能伸出一条有向边呢如if(a-->b)将不存在第二组数据a-->c了; 因为里面有个CHANGE 说是把a原来指向的那条路的长度复制给新指向的路;也就是if(a-->b)且长度为3; 则CHANGE a c 是不是意味这a--->c 且长度为3,a已不指向b了???? Followed by: Post your reply here: |
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