Meet your coaches

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

1Pow(x, n)medium

Based onLeetCode

Want to keep going?

$79 once — Own Words Pack. Hosted voice. We pay the model bill.

See pricing

mediumNeetCode 150

Pow(x, n)

Pow(x, n) rewards structured search and good pruning more than raw cleverness. Interviewers love it because it reveals your structured exploration and your edge-case discipline. The gotcha is duplicates and dead ends—good pruning and ordering rules make this manageable.

BacktrackingMath & Geometry

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

Meet your coaches

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

Start coached rep

Start a coached rep now. Guest text is free. Sign in if you want this work on another device.

Email me this coached-rep link

1Pow(x, n)medium

Based onLeetCode

Code + tests need a desktop

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