【强化练习】哈希表更多习题

Prerequisites

Before reading this article, you should first learn:

• Hash Table Basics
• Hash Table Implementation with Chaining

Hash tables are a commonly tested data structure in algorithm problems, mainly appearing in data structure design questions or in combination with arrays, strings, and other structures (such as the previous Prefix Sum Exercises). Here are some common hash table questions.

Two Sum

Solution

Copy List with Random Pointer

Solution

Valid Anagram

Solution

Group Anagrams

Solution

First Unique Character in a String

Solution

Majority Element

Solution

Find the Difference

Solution

Find All Duplicates in an Array

Solution

Find All Numbers Disappeared in an Array

Solution

loading...