How will one go about extracting a random number from a bitset ? let's say i have a bitset 100000010000101000100010001 where 1 denote what numbers are currently present in the set How can one extract these ones in a random manner .Generating a random number modulo size of the bitset won't work as it can land upon a zero value as well and this , in worst case can take O(size of bitset * genarating pseudo random number ) time which is very costly . Anybody knows how to do this ?
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