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ya but n*(n-1)/2 wont work..cause we are choosing(0,1) as well as (1,0)..ifwe do n(n-1)/2 we will be choosing only one of them
Sherlock and Pairs
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ya but n*(n-1)/2 wont work..cause we are choosing(0,1) as well as (1,0)..ifwe do n(n-1)/2 we will be choosing only one of them