Check if a given array contains duplicate elements within k distance from each other

The problem “Check if a given array contains duplicate elements within k distance from each other” states that we have to check for duplicates in given unordered array within the range of k. Here the value of k is smaller than the given array. Examples K = 3   arr[] = …

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Binomial Coefficient

Problem Statement Find the Binomial Coefficient for a given value of n and k. “In mathematics, the binomial coefficients are the positive integers that occur as coefficients in the binomial theorem. Commonly, a binomial coefficient is indexed by a pair of integers n ≥ k ≥ 0 and is written as ” – quoted from Wikipedia. Example n = 5, k …

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