got LC 42 trapping rain water as a phone screen. had 20 minutes for the coding portion after the behavioral intro. knew the two pointer approach. coded it. passed all test cases. interviewer seemed satisfied. but 20 minutes for a hard LC is tight. barely had time to discuss the approach before time was up

Uber L5 phone screen - LC hard in 20 minutes

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got LC 42 trapping rain water as a phone screen.

4b42e121

LC 42 is a classic hard that has a clean two pointer solution. if you got it in 20 min thats very strong signal

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uber phone screens are known for being harder than their onsites ironically. they filter aggressively at the phone screen stage. if you passed this youre in good shape