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sofi

18 interview questions available

Format words into wrapped/justified lines

Generate all permutations of an array

Find maximum-occurring character in a string

Rearrange array to maximize positive prefix sums

Count numbers with same popcount up to all-ones bound

Align with PM on ranking goals

Plan and validate ranking experiment

Design a fintech product ranking system

Design a fintech homepage ranker

Simulate 1-D collisions and scale to huge inputs