If you've got a problem that has units associated with it, do the exercise of carrying the units through because, guess what?
如果你做到一个跟单位有关的题目,请你在做题目的时候密切注意它,因为,猜猜是什么?
And, guess who the most severe members of that committee are? It's the students, your peers who are outraged at that kind of behavior.
猜猜委员会中谁最为严厉,是学生,你们的同伴对这种行为义愤填膺呀。
So halfway is the right thing to do, because at each step, I'm guaranteed to throw away at least half the list. Right? And that's nice.
一半以上的元素,对不对?,这很棒,好,大家猜猜这个算法的增长率是多少?,为什么?太对了。
Is this a reverse -- any guesses?
猜猜看?
Who can guess what the third might be?
谁来猜猜第三个是什么
Guesses. Falling. That's a good guess.
大家猜猜看,坠落,猜得好。
And this is a very fast speed, of course, it's about 700 million miles per hour. So, one way to put that in perspective is to think about how long it takes for a light beam to get from earth to the moon. Does anyone have any guesses? Eight seconds, that sounds good.
当然这是一个非常快的速度,它大约是每小时7亿英里,为了更形象化,我们,看看光从地球到月球,需要多少时间,你们猜猜是多少?,8秒,猜的不错。
If s2 equals s1, guess which character you're also changing?
如果s2,=,s1,猜猜哪个字符将会改变?
And if I'm running an exponential algorithm, any guesses?
杂度是指数级的呢?,有人猜猜么?
Another little pop quiz here, and these aren't trick questions necessarily, but if you had to guess what the bigger problem was in the developing world, so let's not just say outside the U.S.
我们再做一个小测试,这不是什么难题,你们猜猜,发展中国家面临最大的问题是什么,我们所说的不是美国以外的国家
Does anybody want to guess?
谁来猜猜看?
Let me show you one more class, though about-- sorry, let me show you two more classes of algorithms. Let's look at the next one g- and there's a bug in your handout, it should be g of n and m, I apologize for that, I changed it partway through and didn't catch it.
请大家看,额,在你们的课堂材料中有个错误,应该是g,很抱歉-,我改了一部分这个错误但是没看到这里的,好,这儿的增长率,有人想猜猜么?
Okay. Let's have a vote.
好的,我们来猜猜。
Guess. Any guesses?
猜猜看是谁?
Somebody else.
大家再猜猜。
Well, you go look in your table So, if I had to guess, 4 what would you guess the bond energy would be in HF?
在你的表格里也有,如果让我们来猜猜,你会猜HF的键能是多少呢?
Now I'll print L 2. Kind of what you'd guess, but here's the interesting question: if I say L 1 is assigned 0, L 1 sub is assigned 4, I'll print L 1.
然后我将显示下L2的内容,你,们猜猜这个有趣的问题:,如果我将L1赋值为4的话,再去显示下L1,会怎么样呢?
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