DSA for interviews
Patterns that win coding rounds at top companies.
A pattern-first path through arrays, hashes, trees, graphs, DP, and complexity trade-offs — built for FAANG-style interviews and real code.
Who this is for: Grads preparing for coding interviews while building lasting skill.
outcomes
- Recognize the top interview patterns in under a minute
- Write correct solutions with clear complexity analysis
- Communicate approach before coding
lessons
- 1 Interview operating system Clarify → examples → brute force → optimize → code → test.
- 2 Arrays, hashes, two pointers The bread-and-butter of easy/medium rounds.
- 3 Trees, recursion, and DFS/BFS Binary trees, BST invariants, and traversal fluency.
- 4 Graphs essentials Adjacency lists, BFS shortest path, DFS components, topo sort.
- 5 Heaps, intervals, binary search Priority queues, merge intervals, search on answer space.
- 6 Dynamic programming without fear State, transition, base case — the only DP recipe you need.