http://blog.csdn.net/mishifangxiangdefeng/article/details/7662515

http://www.cnblogs.com/Jiajun/archive/2013/05/31/3110256.html

这里练习6.3-3看http://blog.csdn.net/sailing_lqh/article/details/7381893的比较好理解

算法导论 第六章 堆排序