Operations on Array https://leetcode.com/problems/two-sum/submissions/1934427024

Best Time to Buy and Sell Stock - https://leetcode.com/problems/best-time-to-buy-and-sell-stock/description/

Number of occurrence - https://www.geeksforgeeks.org/problems/number-of-occurrence2259/1

Reverse an Array - https://www.geeksforgeeks.org/problems/reverse-an-array/1

Use sheet to track your progress - https://docs.google.com/spreadsheets/d/1dgtcdKc0K5hoXW84gLie6b_sAsv19i1KaTPwNx8wDD4/copy

Or read the same questions in this sheet -

https://docs.google.com/document/d/1z_kk7NdzzDS9aFzgAN_aSprcnO8YHIIOI0tEhkqbE2o/