An entry is made in the memo whenever an item, memo and an available size pair is considered.
每当选择一件物品和考虑,一种可行的方案时,都会访问。
So we put one item in the backpack 9 and we've got a value of 9.
所以我们在背包里放一件物品,而它的价值是。
So, it's the last item to consider.
所以这是最后一件物品了。
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