Rik Kisnah - Blog

#Coding

Connected Components with Union-Find

Jan 20, 2026 Connected Components with Union-Find

Subsets (Backtracking)

Jun 10, 2025 Subsets (Backtracking)

Sliding Window Maximum

Feb 13, 2024 Sliding Window Maximum

Meeting Rooms: How Many Rooms Do You Need

May 16, 2023 Meeting Rooms: How Many Rooms Do You Need

Unique Paths

Mar 8, 2022 Unique Paths

House Robber

Aug 24, 2021 House Robber

Climbing Stairs

Feb 16, 2021 Climbing Stairs

Clone a Graph

Oct 13, 2020 Clone a Graph

Min Stack

Apr 21, 2020 Min Stack

Flood Fill

Dec 3, 2019 Flood Fill