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And then, when I got- I'm also going to count how many comparisons I do, just so I can see how much work I do here, and then notice what it does.
并能看到算法干了些什么-,然后是如果这个索引,比数组的大小小的话，就意味着还没检索到数组的最后。
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If we take item 2, 1 then, well, the index after that will of course be And the available weight will be 3.
如果我们装了2号物品，然后，它之后的索引号当然是,我们还剩下3磅。
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Was it particularly high-technology we didn't allow for indexing.
因为没有特别的高科技,我们就没有进行索引。
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And so you can really-- the process starts to pick up traction pretty quickly.
这样你就可以-,启动项目，沿着这条索引，迅速地完成整个计划。
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It's really a technology initiative that's aimed to index the "dark" web or the hidden web, because according to computer scientists, right now the conditional search engines only index about 1% of the information on the Internet.
这是一项,致力于将暗网,或隐藏网页纳入索引的技术创新，根据计算机科学家的统计，条件式的搜索引擎只将,互联网上1%的信息纳入了索引。
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I'm going to set up an index, which is going to tell me where to look, starting at the first part of the list, right?
索引告诉我从哪里开始检索数组，对不对？,然后我会去记录下我做了多少次比较，这样我就能看到这个算法的工作量了？
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Right.? I'm going to set up a variable to say, none what's the answer I want to return, is it there or not. Initially it's got that funny value none.
看我要找的答案在不在数组里面，初始化为,然后建立一个索引。
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As we've seen systematically in the don't-takes, the only thing that gets changed is the index.
当我们系统的看这些,不应该装的物品时，唯一改变的是索引值。
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So that means this node 1 will have an index of 1.
所以这意味着,这个节点索引值将会为。
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Well, the bracket notation means you can index into this variable.
好的，这个括号的意思是你可以,索引这个变量。
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So that gives me my index.
所以，这就是我的索引号。
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So we can have an example, let's look at it.
而键是起到一个索引的作用。
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i-1 But with index i minus 1.
但是同时返回的是索引号。
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Again I should have said first, index 0, the first one. I can similarly go in and say I'd like all the things between index 2 and index 4. And again, remember what a b c that does. Index 2 says start a 0. 1, 2. So a, b, c.
我还是要说一遍，索引为0的元素，是第一个元素，我可以要求返回索引,2和4之前的所有元素，请记住2,是从0开始的,那么0，1，2对应的是。
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Now I seem to be violating my own mantra here by just calling this variable A, but this is reasonable, I much as with four loops when you just call an incrementing variable I, because you just need an index, well, same here.
现在我好像违背了我自己的意愿,我把这个变量叫做A，但这是合理的，就像我们的for循环中，我们把一个增变量叫做,因为我们只要一个索引，这里也一样。
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