Uber·Product Manager·Hiring Manager Screen
- Estimate how many deliveries Uber Eats completes in a day globally.
“Classic estimation question, but I fumbled the structure a bit.”
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609 interview notes · updated Aug 2026
“Classic estimation question, but I fumbled the structure a bit.”
“I stared at this for a bit and started thinking about sorting by reward1 descending, which was wrong.”
“I'd done this kind of question before but never with an actual diagram component.”
“My first instinct was to brute force it: for each k, slide a window of size k and check if the min is 1 and max is k with no gaps.”
“I went straight to upsell mechanics, like bundling drinks or suggesting add-ons at checkout, which felt obvious in retrospect.”
“The i+1 movement is obvious but the 'jump to any index ending in 3' rule threw me off at first.”
“The explosion detection part was fine, I flagged the cells in a separate pass so I wouldn't modify the board mid-scan.”
“Already seen this one in the phone screen, so I finished it pretty fast and just asked to move on.”
“The energy-dependent walking cost is what makes this tricky.”
“This is a meaty one.”