14 articles
The complete Binary Search interview cheatsheet covering all 7 patterns, the universal template, Binary Search on Answer playbook, complexity reference, and MAANG priority order. Bookmark this for the day before any FAANG interview.
Complete bit manipulation cheatsheet for FAANG interviews: all critical tricks, bitmask DP patterns, XOR properties, complexity table, and full problem index across 18 problems.
Complete cheatsheet for BFS and DFS on graphs and grids: 7 patterns, complexity table, common pitfalls, and problem index.
Complete Greedy and Monotonic Stack cheatsheet covering all patterns, templates, complexity table, decision tree, and problem index. The single page to revise before any FAANG interview.
Complete cheatsheet for Hashing & Maps: all 7 patterns, Big O reference, template code, and MAANG priority guide.
Complete master recap of the Heaps and Priority Queues section. Covers 7 core heap patterns, complexity tables, and a full FAANG-style problem index for systematic interview preparation.
Complete cheatsheet for Linked Lists: all 7 patterns, template code, Big O reference, and MAANG interview priority guide.
Complete reference for math and number theory DSA patterns: algorithm selection guide, complexity table, template library, and top 25 interview problems ranked by FAANG frequency.
Complete Segment Tree and Fenwick Tree cheatsheet for FAANG interviews: BIT template, segment tree template, lazy propagation, 2D BIT, decision guide, and full problem index.
A printable cheatsheet for the entire Stacks and Queues category — seven patterns, ready-to-paste templates, Big-O reference, and a MAANG priority order.
Complete recap of all 20 string algorithm problems: pattern recognition guide, algorithm selection, complexity reference, and interview strategy for FAANG string questions.
Complete recap of all 20 system design DSA problems: pattern classification, time complexities, key data structures, and the decision framework for choosing the right design approach in FAANG interviews.
Complete recap of the Trees DSA section covering 9 reusable patterns, complexity tables, and a problem index mapped to LeetCode favorites at FAANG interviews.
Complete Tries cheatsheet for FAANG interviews: core operations, 5 patterns, binary trie for XOR, decision guide, complexity table, and problem index covering all 20 trie problems.