problem-solving

beginner (NeetCode Ytb): https://neetcode.io/practice https://leetcode.com/discuss/general-discussion/460599/blind-75-leetcode-questions

advanced : https://leetcode.com/discuss/career/448024/Topic-wise-problems-for-Beginners

https://leetcode.com/discuss/general-discussion/1058072/LeetCode-Advised-Problems-Sorted-by-Topics-and-Directions

Explored Topics

Data Structure

• vector
• map
• set (ordered & unique elements)

Algorithms

• 2 pointers technique
• Slidng window approach