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Meet Allison & Tim
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Practice coding interviews out loud with real-time voice coaching. Your code actually runs.
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1Sort Colorsmedium
2Part 2
3Part 3
Start Part 1 to unlock your next challenge
Based onLeetCode
mediumGrind 75
Sort Colors
Sort Colors looks brute-forceable, but it's really about moving pointers with a reason. Interviewers love it because it reveals your invariant-driven scanning and your edge-case discipline. The trap is moving the wrong pointer and silently skipping the real answer.
Arrays & HashingTwo Pointers
👩🏫
👨💼
Meet Allison & Tim
Your AI coaches
Practice coding interviews out loud with real-time voice coaching. Your code actually runs.
Free · No sign up · Early access
1Sort Colorsmedium
2Part 2
3Part 3
Start Part 1 to unlock your next challenge
Based onLeetCode
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