Hash Table

Ransom Note

Design HashMap

Majority Element

Contains Duplicate

Keyboard Row

Kth Distinct String in an Array

Next Greater Element I

Clear Digits

Largest Positive Integer That Exists With Its Negative

Intersection of Two Arrays

Substrings of Size Three with Distinct Characters

First Letter to Appear Twice

Sum of Unique Elements

Unique Number of Occurrences

Maximum Strong Pair XOR I

Minimize String Length

Destination City

Find Common Elements Between Two Arrays

Number of Arithmetic Triplets

How Many Numbers Are Smaller Than the Current Number

Find the Difference of Two Arrays

How Many Numbers Are Smaller Than the Current Number

Determine if Two Strings Are Close

Equal Row and Column Pairs