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Beyond building data systems, I teach. I break down data structures, algorithms, and the competition-level mathematics most people find intimidating — each playlist works through problems the way I'd explain them to a student sitting right next to me: from first intuition to clean, working code.

22 playlists · DSA on LeetCode & GeeksforGeeks · Olympiad-style mathematics

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Fundamentals5 videos

Introduction to DS using C++

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Recursion20 lessons

Problems on Recursion

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Recursion2 videos

Problems on Backtracking

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Dynamic Programming15 lessons

Problems on Dynamic Programming

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Dynamic Programming4 videos

Problems on Subsequences

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Trees14 lessons

Problems on Binary Tree

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Graphs3 videos

Problems on Graphs

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Graphs1 video

Problems on DSU (Disjoint Union Set)

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Linear DS4 videos

Problems on Linked List

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Linear DS2 videos

Problems on Stacks

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Linear DS1 video

Problems on Queues

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Strings9 lessons

Problems on Strings

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Algorithms7 videos

Problems on Binary Search

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Algorithms5 videos

Problems on Greedy

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Hashing5 videos

Problems on Maps

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Techniques3 videos

Problems on Prefix Sum

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Techniques11 lessons

Problems on Bit Manipulation

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Math8 lessons

Problems on Math and Combinations

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Math17 videos

Wizard Concepts of Mathematics

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Daily Practice64 videos

GfG Problem of the Day Solutions

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Daily Practice51 videos

Problem of the Day

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Daily Practice9 videos

LeetCode Problem of the Day Solutions

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