Master Coding Interviews,
One Pattern at a Time

BST, DFS, BFS, traversals, tree construction

Pattern matching, palindromes, substrings

Two pointers, sliding window, binary search, sorting

Knapsack, LIS, LCS, coin change, grid DP

Reversal, merge, cycle detection, two pointers

Number theory, geometry, combinatorics

Joins, aggregations, window functions

Merge sort, quick sort, counting sort, custom

Permutations, combinations, N-Queens, Sudoku

Grid traversal, rotation, spiral, search

XOR tricks, bit masks, power of two

BFS, DFS, topological sort, shortest path

Interval scheduling, activity selection, optimal

Monotonic stack, expression parsing, next greater

LRU Cache, Iterator, data structure design

Prefix matching, autocomplete, word search

Priority queue, top-K, merge K sorted

Additional LeetCode problems across all topics