Problem Solving

September 3, 2025

LC 3027: Explained | With Illustration.

August 21, 2025

LC 1504: Intuition | Ref. to Maximal Rectangle in a Histogram.

August 3, 2025

LC 2561: Intuition.

July 31, 2025

LC 898: Standard solution but explained.

July 17, 2025

LC 3202: XX, XY and YX. No, not the sex chromosomes!

June 30, 2025

LC 1498: Two-pointer + Binary Search.

April 11, 2025

LC 2999: Intuitive | Binary Search | Lexicographically Nth Number.

March 21, 2025

LC 3108: Augmented Union-Find.

February 16, 2025

LC 2698: Optimized | Pruning | Casting Out Nines Principle

February 16, 2025

LC 3456: Posting cuz it's super intuitive.