These things run for variable amounts of time because they take input, a list of size of some amount.
而这一段的执行时间是可变的,因为它们需要输入一个包含一些元素的列表。
So think about these things, don't pass over these details lightly, and don't take them for granted.
我们不应该轻易忽略细节,也不要想当然。
You can take commercial foods, like Wheaties, and go to the manufacturer and try to figure out how many boxes of these things are produced.
对象可以是麦片那样的商品,去联系制造商然后估算出,这些东西生产了多少箱
Take these two delicious things and combine them into a chocolate covered pizza.
把这两个好吃的东西,组合成一个巧克力比萨饼。
This is providing work that's being used in here, but if you take the whole outside of the surroundings and this whole thing is the system, no net work, these things cancel each other, and yet heat's going up.
如果把外面的全部当成环境,把这里的全部当成系统,那么就没有净的功,它们相互抵消了,热量向上传输,会发生什么?
I know it's gonna take me a lot of work on the order of N squared steps to sort these things.
要对它们排序就要进行大量的工作,大概需要N平方步。
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