Here is the list of every problem I solved and how I reached the solutions

UC San Diego Course - Data Structures and Algorithms Specialization (Coursera)

Algorithmic Toolbox

1. Module 1
2. Module 2
3. Module 2

Codeforces

1. Hello 2022

CodeChef

1. Practice
2. Starters 21 (Div. 3)
3. March Lunchtime 2022 (Div. 3)
4. Starters 102 (Div. 4)

LeetCode

1. Two Sum
2. Palindrome Number
3. Valid_Parentheses
4. Find the Index of the First Occurrence in a String
5. Search Insert Position
6. Plus One
7. Majority Element
8. Number Complement