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A bitmask problem
By heyyolol, history, 5 years ago, In English

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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5 years ago, # |
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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.

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