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Exploring algorithms, data structures, and software engineering insights through detailed LeetCode problem solutions

169+ Problems Solved
3 Difficulty Levels
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LeetCode 134. Gas Station

There are n gas stations along a circular route. Station i has gas[i] units of gas. It costs cost[i] units...
leetcodemediumgreedyarray

LeetCode 1197. Minimum Knight Moves

In an infinite chess board with coordinates from -infinity to +infinity, a knight starts at (0, 0). Return the minimum...
leetcodemediumbfs

LeetCode 1146. Snapshot Array

Implement a SnapshotArray that supports: SnapshotArray(int length) – initializes an array of the given length (all zeros) void set(index, val)...
leetcodemediumdesignbinary-search

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Algorithm Templates: Backtracking

Minimal, copy-paste C++ for permutations, combinations, subsets, combination sum, grid pathfinding, and constraint satisfaction (N-Queens, Sudoku).
leetcodetemplatesbacktracking

Algorithm Templates: Array & Matrix

Minimal, copy-paste C++ for two pointers, sliding window, prefix sum, binary search, and matrix operations. See also Arrays & Strings and Search.
leetcodetemplatesarraymatrix

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