The U.N.Children's Fund reports nearly half of the estimated two million people displaced by conflict in Pakistan's Swat Valley are children.

VOA: standard.2009.07.03

Log n Log n, because at each stage I'm cutting the problem in half. So I start off with n then it's n n/2 n/4 n/8 over two n over four n over eight.

因为总共有多少层？,因为在每一层，我都是把问题分解成两半,因此以n开始，然后是。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, it's kind of a cyclical argument here because how do you sort the left half of N elements?

在这儿有点循环的意思,那么如何对N个元素中的左半部分进行排序呢？

哈佛公开课 - 计算机科学课程节选

U.N.High Commissioner for Refugees Antonio Guterres hailed the document, noting that Africa, which has roughly half the world's displaced people, is the first region to agree on rules for protecting them.

VOA: standard.2009.10.23

If I'm using algorithm that I'm now calling merge sort, T the running time involved in sorting N elements, T of N, you know, is just the same as running the algorithm for the right half, plus what's this plus N come from?

如果我用归并排序算法，对N个元素其运行时间，就等于此算法一半元素的运行时间,另一半的运行时间，再加上N，这个N是什么呢？

哈佛公开课 - 计算机科学课程节选