Naman and Maths

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Naman was preparing for IIT JEE 2030 ( :P ) . He encountered a mathematics problem from one of his packages , but he is unable to solve and so asks for your help. Can you help him !! The question is : Given n and k find “ Sigma ( nCi ) with i ranging from 0 to min(k,n-k) “ . This expression then divided by ( 2^(n-1) ) . For details see the explanation section . Input First line of input is th

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solution.cppC++17

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