"We have to do this because it's a problem that is today in Greece, but if we don't fix it in Greece it may have a lot of consequences on the rest of the European Union."
VOA: standard.2010.04.28
And so if you choose to elect the hacker edition of this week's problem set the challenge will be to figure out not only how to implement the game but how to implement a solver for the game.
因此,如果你选择这周的应用题目为升级版,那么你将面临的挑战,不仅是如何实现这个游戏,而且,要实现此游戏的解决方法。
Okay, it could be a bit of a problem if this text has become the basis for a system of religious faith or belief, and your assumptions about it are that its telling a truth that is singular in nature.
如果这本书成为一些宗教信念系统的基本,那就有问题了,你会臆断,这本书上的都是真确的,都是非凡的。
"And like Lyndon Johnson he has this really ominous problem, which is if you escalate in Afghanistan and we end up in that swamp that will over time be a kind of constant drain on support and enthusiasm among young people, among minorities,among liberals, among progressives and it will really sap the president's ability to continue to energize this broad agenda,".
VOA: standard.2009.12.29
So if I try to apply the same logic, well how can I divide and conquer this problem.
如果我想要用同样的逻辑,那么怎样划分,并解决这个问题呢?
And this should look kind of familiar to some of the problems you may have seen on the problem-set if you started it this weekend.
如果你们这周就开始做习题集的话,这样的题目你们,应该会觉得很熟悉。
Not so easy to see. All right, but this is actually a great one of those educational moments. This is a great example to think recursively. If I wanted to think about this problem recursively- what do I mean by thinking recursively?
看不太出来,好,但实际上是一个有教育意义的时刻,这是一个很好的关于递归的例子,如果我用递归的思想,去考虑这个问题-,我该怎么用递归去解决这个问题呢?
But one problem that this also caused is if you're going to put all the books, the documents that you think are scripture,between two covers with the scrolls,you can take one out and put another in.
但这引起了一个问题,如果你要为,那些被认为是圣典的书籍加上封面,如果是卷轴你可以随意取舍。
If this was a class in which we were going to worry about the general problem of identity across time, this would be a problem we'd have to directly face.
如果我们要讨论的是,贯穿时间的,质的总的问题,我们就需要,直面这个问题。
You've got to make sure that if you explain to others how to do this problem, then somebody else contributes to something else, but you know what everybody contributed in the end.
你得能保证,如果你和别人解释了题目的解法,然后另一个人对别的题目又有独到见解,最后你知道每个人都没有浑水摸鱼
no immediate problem but if this continues onto the end of the decade, re approaching right now, there is going to be a disaster.
不会有立竿见影的问题,但如果继续这样做的话,十年以后,也就是我们现在这个时候,which,is,what,we’,会发生灾难。
And so if you know what patterns of zeroes and ones to look for as you will yourselves this year in that forensics problem set, can you recover a lot of that data?
如果你知道如何去发现,这些0和1的排列规则,这也是套题中的问题,你就能恢复把这些大量数据恢复?
But if you are so inclined whether for this problem set or any other throughout the term, you can change your mind week to week.
但是如果你倾向哪套题,那么你可以按周改变想法。
So you'll got plenty of practice with this on your problem-set if you haven't already.
如果你们还没有做习题集的话,你们将要做很多这样的练习。
So if I were to solve this problem, here's the way I would do it. I would say, first thing I want to do, is I want to input a value for the base as a float.
如果我想要解决这个问题,这就是我要解决它的方式了,第一件我要做的事情就是要,输入一个浮点数作为三角形的底。
And in particular, if I think about that problem - actually I want to do this- if I think about that problem, I'm going to write a little piece of pseudo code.
关于这个问题尤其要注意的是,实际上当我考虑这个-,问题的时候我想这么做,我会去写一点伪代码。
If it was, how much bigger does this get as I make the problem bigger?
解决方法耗费的时间会增长多少?,这实际意味着?
So if this is really Shelly Kagan's brain over here, then this isn't a problem for the body view.
如果这边的真是Shelly,Kagan的大脑,那么肉体理论是没什么问题的。
So how would we go about solving this problem if I told you not only was there a maximum weight, but there was a maximum volume. Well, we want to go back and attack it exactly the way we attacked it the first time, which was write some mathematical formulas.
有些时候两个都重要,所以如果我告诉你这里不仅有,最大重量还有最大容量,我们应该怎么解决这个问题呢?,好了,我们想回过来然后,和第一次一样看看这个问题。
So, that is a tricky problem to begin with because if you take this formula here, it tells you y if you know t, but no, we're not saying that.
以这个问题刚开始的时候有点难度,因为如果你要用这个公式,求y的时候就一定要知道t,但是,我们不知道
And if you haven't yourself dived into your own problem set zero, whose PDFs are available online, realize that if something like this, given that it's a minute or so long, kind of looks you know, despite the cutesiness of it, kind of overwhelming in that you don't really know where to begin, how could you possibly sketch out this whole story line.
如果你还没有真正沉下心来,看习题集0,网上可以提供这些PDF文件,好好地感受一下像这样的东西,假定只有一分钟左右这么长,先不管它外表看起来是否可爱,也不管它让人无从下手的压迫感,你怎样才能勾勒出,整个故事最初的框架呢?
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