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DoorDash E4 Phone Screen

Round 1

Questions: This was the problem: Search Suggestions System.

I answered it flawlessly, passed all edge cases and debugging. Then there was a variant about optimizing suggestions (towards the end of the interview) I couldn't come up with the exact one he wanted.

Candidate's Approach

I provided an optimal code solution with the correct runtime and working solution for the initial problem. I also suggested one optimization, but it did not meet the interviewer's expectations.

Interviewer's Feedback

The interviewer seemed focused on achieving 100% perfection, which contributed to a challenging experience.