Given n (<= 10^5) bitmasks of length k (<= 22) find number of pairs of bitmasks which AND to 0. Time limit is 2 secs
Can anyone provide an idea for this? Thanks! :)
Given n (<= 10^5) bitmasks of length k (<= 22) find number of pairs of bitmasks which AND to 0. Time limit is 2 secs
Can anyone provide an idea for this? Thanks! :)
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Refer this tutorial, the first exercise problem is this and is same as your problem. Try understanding the tutorial and you'll be able to handle this problem.