Coach note

Coding questions test whether you can carry a problem from a vague spec to a working solution while talking through your decisions. Interviewers watch the process at least as much as the answer.

Coding · Optimization

You need to find whether two sets of integers have any element in common. The sets can be very large. Walk me through your choice of approach.

Type your answer
0of ~160 wordsAbout a minute spoken

Voice isn’t supported in this browser — type your answer in the box.

Create a free account to get more critiques.

Your answer
Your answer appears here as you speak.

Practice more

Thousands of questions, calibrated to your role — your progress saved across every session, with model answers and full breakdowns.