Algorithm Guides
10 articles to help you prepare for your next interview.
A deep technical guide to data structures and algorithms interview prep covering arrays, hash maps, trees, graphs, heaps, dynamic programming, and the practice plan that actually works.
Master advanced dynamic programming for senior interviews — bitmask DP, digit DP, interval DP, tree DP, and optimization with FAANG problem walkthroughs.
Master the 15 core coding interview patterns — two pointers, sliding window, BFS/DFS, dynamic programming, heaps, and more.
Master concurrency interview questions: producer-consumer problem, readers-writers, dining philosophers, thread pool implementation, deadlock detection.
Master heap-based interview problems: K closest points, merge K sorted lists, task scheduler, find median from data stream, and sliding window median.
Master interval interview problems: merge intervals, insert interval, meeting rooms I & II, minimum arrows to burst balloons, non-overlapping intervals.
A practical guide to math-based coding interview problems: digit counting, palindrome numbers, reverse integer, missing number, single number XOR.
Master number theory for coding interviews: prime sieves, GCD/LCM, modular arithmetic, fast exponentiation, factorization.
Master string interview problems: anagram detection, palindrome checking, pattern matching (KMP, Rabin-Karp), string compression, encoding/decoding.
Master string algorithm interviews with KMP, Rabin-Karp rolling hash, Z-algorithm, trie, and pattern matching templates in Python.