Instacart

Basic Calculator II

Best Time to Buy and Sell Stock

Best Time to Buy and Sell Stock II

Best Time to Buy and Sell Stock with Cooldown

Check if Every Row and Column Contains All Numbers

Find First and Last Position of Element in Sorted Array

LRU Cache

Maximum Number of Events That Can Be Attended

Merge Intervals

Minimum Number of Arrows to Burst Balloons

Non-overlapping Intervals

Search Insert Position

Squares of a Sorted Array

Time Based Key-Value Store

Valid Number