IDoNotKnowAnything's blog

By IDoNotKnowAnything, history, 3 years ago, In English,

Can someone help me in solving this question here.I had tried to solve it for hours but could not solve it.Later I watched the editorial but I am unable to get it.I understood the basic idea of role of bit being set 0 .But Still I am unable how this fact is incorporated in the solution . Can someone please help me with the problem ???? Thanks in advance and have a good day :)

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