Algorithm Atlas

Preparing your learning space

Checking your account, lessons, and saved progress. The server is starting after a long break. This first cold start may take 5–10 seconds

House Robber III: step-by-step visual explanation

Learn the House Robber III problem with a step-by-step DSA animation. Follow the DP on Trees / DAGs solution with synced C#, Python, and Java code.

A node may keep several states, such as take or skip. Postorder makes sure every child answer is ready before the parent uses it.

Difficulty: Medium · Approach: Save each smaller answer once

This is a public lesson preview. Sign in with a Lifetime Pass to open the protected animation, solution, and code.