#randomization

Random point in non-overlapping squares
CodingUber
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Insert, delete and get random in O(1)
CodingUberMetaxAI
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Weighted random pick with add and remove
CodingNuro
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Playlist with add, remove and shuffle
CodingNetflix
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Insert, delete and get random in O(1) with duplicates
CodingSnowflake
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Shuffle an array with a random-integer function
CodingGoogle
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Set with constant-time insert, delete and get random
CodingGoogle
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Substring search and weighted random sampling
CodingGoogle
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Deck of cards with shuffle, draw and sort
OO designApple
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Random pick weighted by population
CodingAppleMeta
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Weighted random value generator
CodingAmazon
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