leetcode 347[medium]--Top K Frequent Elements
来源:互联网 发布:电磁炉 知乎 编辑:程序博客网 时间:2024/06/18 06:57
Given a non-empty array of integers, return the k most frequent elements.
For example,
Given [1,1,1,2,2,3]
and k = 2, return [1,2]
.
Note:
- You may assume k is always valid, 1 ≤ k ≤ number of unique elements.
- Your algorithm's time complexity must be better than O(n log n), where n is the array's size.
思路:此题考察的是hashtable的sorted知识点。
key:用列表元素的某个属性或函数进行作为关键字,有默认值,迭代集合中的一项;
reverse:排序规则. reverse = True 降序 或者 reverse = False 升序,有默认值。
阅读全文
0 0
- leetcode 347[medium]--Top K Frequent Elements
- LeetCode 347. Top K Frequent Elements (Medium)
- Leetcode 347. Top K Frequent Elements (Medium) (cpp)
- [leetcode-347]Top K Frequent Elements(java)
- LeetCode--No.347--Top K Frequent Elements
- LeetCode--No.347--Top K Frequent Elements
- LeetCode[347] Top K Frequent Elements
- LeetCode 347 Top K Frequent Elements
- leetcode 347 Top K Frequent Elements C++
- LeetCode No.347 Top K Frequent Elements
- leetcode-347-Top K Frequent Elements
- [Leetcode] #347 Top K Frequent Elements
- week12-leetcode #347-Top-K-Frequent-Elements
- 347. Top K Frequent Elements [medium] (Python)
- leetcode347:Top K Frequent Elements(medium)
- LeetCode|Top K Frequent Elements
- 【Leetcode】Top K Frequent Elements
- LeetCode:Top K Frequent Elements
- 抽象类和接口的区别
- Partition to K Equal Sum Subsets
- 数据结构实验之查找三:树的种类统计
- Java中那些晦涩难懂的名词(不定时更新)
- 4、构建 Instrumented 单元测试
- leetcode 347[medium]--Top K Frequent Elements
- 最新glide库Android studio 2.X无法使用
- 小程序12.20
- Markdown指南
- java开发模式之原型模式
- chrome-DevTools调试nodejs
- 浅谈拒绝服务攻击的原理与防御(1):普通拒绝服务攻击
- C三道题(六)
- LeetCode 101. Symmetric Tree