DSA was extremely HARD, until I found these 20 Problem Solving Patterns Link: github(.)com/KushalVijay/DSA-Patterns-Roadmap Source: LeetCode Discuss, NeetCode Disclaimer: This sheet is created and owned by Kushal Vijay as an individual and is not related to or prescribed by any employer. Questions are taken from the internet from past experiences of candidates and questions are not created by Kushal Vijay. For educational purpose only. Please refer to the sheet for revision and practise purpose,