Meet Allison & Tim
Your AI coaches
Practice coding interviews out loud with real-time voice coaching. Your code actually runs.
Detect Squares
Detect Squares is a classic scan-and-record problem: the right bookkeeping beats brute force. Interviewers love it because it reveals your data-structure instincts and your edge-case discipline. The classic trap is mishandling duplicates or overwriting useful information too early.
Meet Allison & Tim
Your AI coaches
Practice coding interviews out loud with real-time voice coaching. Your code actually runs.
Desktop required to run this problem
StrongYes runs real code + tests in a desktop editor. Mobile is view-only for now, so you can’t start this here. Sorry about that — email yourself a link and pick it up on your computer.
Desktop required
Sorry — mobile can’t run the editor + tests yet. Email yourself a link to continue on desktop.