一定规模的超市必须捐赠未使用的食品,否则将面临罚款。
Supermarkets of a certain size must donate unused food, or they will be fined.
If it was an unordered list, we were basically stuck with linear search. Got to walk through the whole list to see if the thing is there.
如果是一个未排序的列表,基本上我们就只能使用线性搜索了,通过遍历整个列表来查看。
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