1、问题描述There are two int variables: a and b, don‘t use "if", "?:", "switch" or other judgement statement, find
out the biggest one of the two numbers.2、答案
int max = ((a+b) + abs(a-b)) / 2;
不使用第三方变量求最大值
原文：http://www.cnblogs.com/aqing1987/p/4206098.html
