All Problems

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TitleDifficultyVideosCompanies
Fisher-Yates Shufflemedium-
facebook
Generate one of 3 numbers according to given probabilitiesmedium-
Implement rand7() using rand5()medium-
two-sigma
Randomly generate m integers from an array of size nhard-
Reservoir Sampling Explainedmedium-
facebook
Select a Random Node from a Binary Tree with Equal Probabilitymedium-
Select a random number from streammedium-
Simulating an Unbiased Coin Toss Using a Biased Coinmedium-
square
Uniform Random Sampling of k Nodes in a Binary Treemedium-