If you only went out once a week you'd get 'out of shape' during your off days and have to start again from scratch every time.
如果你一星期只出去一回,你会在那天累得没了人形,休整好段时间后,一切又得从头开始。
All we have to figure out is how many nodes we're dealing with and then we can get the general shape of the graph here.
我们要知道的就是有多少个节点,然后我们就能得到图的大致形状了。
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