Category: Hash Map / Hash Set
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given an integer array nums of even length. You have to split the array into two parts nums1 …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given an array of integers arr and an integer k. Find the least number of unique integers after removing exactly …
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given an integer array nums with the following properties: nums.length == 2 * n. nums contains n + …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a string s, return the length of the longest substring between two equal characters, excluding the two characters. If …
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given an array nums of positive integers and an integer k. In one operation, you can remove the …
