Skip to main content
mediumNeetCode 150

Redundant Connection

This is really about exploring a state space without revisiting the same work. Interviewers love it because it reveals your traversal modeling and your edge-case discipline. Once your traversal structure is solid, you can reuse it across dozens of problems.

Arrays & HashingBFS / DFSGraphs

Chat with Fin or Coco right now on mobile.

Start talking through the problem here. Switch to desktop when you're ready to code and run tests.

Start coaching session
Coco
Fin

Meet your coaches

Talk through the problem while you code. Guest text is free. Hosted voice is the Own Words Pack.

1Find Redundant Connectionmedium
Based onLeetCode

Code + tests need a desktop

Chat works on this phone. Email yourself a link when you want the editor and tests.