Skip to main content
mediumNeetCode 150

Gas Station

Gas Station looks straightforward, but it quietly checks whether you reach for the right lookup structure. Interviewers love it because it reveals your data-structure instincts and your edge-case discipline. The signal here is clean bookkeeping: know what you record and when you update it.

Arrays & HashingGreedy

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.

1Gas Stationmedium
Based onLeetCode

Code + tests need a desktop

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