Meet Allison & Tim
Your AI coaches
Practice coding interviews out loud with real-time voice coaching. Your code actually runs.
K Closest Points to Origin
Binary search is the tool here, but the real test is whether your invariant stays crisp. Interviewers love it because it reveals your boundary precision and your edge-case discipline. The trap is boundary drift—one wrong low/high update can loop forever or skip the answer.
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.