EXPLORE DSA
DSA Problem Matrix
Curated pattern-oriented curricula including Blind 75, Striver SDE, and NeetCode 150.
Curated Problem Curricula
Structured patterns instead of random solvingStriver A2Z DSA Sheet
455+ curated problems
Step-by-step from Basics to Advanced DP & Graphs
Blind 75 Curated Sheet
75 essential interview patterns
High-frequency questions asked at Google, Amazon & Meta
NeetCode 150 Problem Matrix
150 pattern-based questions
Two Pointers, Sliding Window, Monotonic Stack & DP
Love Babbar 450
450 problems for placement
Classic campus recruitment question bank
Topic-Wise Practice Sets
Foundational problem sets with conceptual questions and code tests
Arrays & Strings
Prefix sum, sliding window, 2-pointer techniques, and element frequency.
Linked Lists
Cycle detection, reversing in K-groups, mid-point, and deletion edge cases.
Stacks
Parentheses validity, evaluation of expressions, and stack-based queue simulations.
Queues & Deques
Circular queue capacity, BFS queuing, and double ended queue operations.
Trees & Binary Search Trees
Level order, height calculation, BST properties, and LCA.
Graphs & Algorithms
BFS/DFS properties, topological sort, cycle detection in directed graphs.