HashSet---Contains Duplicate
来源:互联网 发布:最新电视直播软件 编辑:程序博客网 时间:2024/06/01 20:42
Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct.
public class Solution { public boolean containsDuplicate(int[] nums) { HashSet <Integer> tmp = new HashSet<>(); for (int i = 0; i<nums.length; i++) { if (!tmp.contains(nums[i])) tmp.add(nums[i]); else return true; } return false; }}
0 0
- HashSet---Contains Duplicate
- leetcode 217. Contains Duplicate 遍历 + HashSet
- HashSet.contains
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- Contains Duplicate
- 表达式树
- Android Studio的相关设置信息笔记
- Frament与activity切换
- [REDIS]: Codis作者黄东旭细说分布式Redis架构设计和踩过的那些坑
- Java注解不为人知的作用
- HashSet---Contains Duplicate
- 试用阿里云RDS的MySQL压缩存储引擎TokuDB
- SQL 這個子查詢最多只能傳回一個記錄
- 持有对象(容器)Map && Collection(List、Set、Stack、Queue)
- Swift中去掉字符串格式数字小数点后多余的0 (自写)
- C# SQL查询代码
- performSelector 方法的自动俘获特性
- HTML 5 简介
- TokuDB的特点验证