Problem

Metadata

• tags: Pocket Gems, Hash Table, Amazon, Priority Queue, Bloomberg, Yelp, Heap, Uber, EditorsChoice
• difficulty: Medium
• source(lintcode): https://www.lintcode.com/problem/top-k-frequent-words/
• source(leetcode): https://leetcode.com/problems/top-k-frequent-words/

Problem

• source(lintcode): https://www.lintcode.com/problem/top-k-largest-numbers/

排序算法是《数据结构与算法》中最基本的算法之一。

排序算法可以分为内部排序和外部排序。

内部排序是数据记录在内存中进行排序。