Question

Your task is to find the total number of triplets in array whose average is a whole number

Answer 1

Answer:

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Answer 2

Answer:

Given an array of distinct integers and a range [a, b], the task is to count the number of triplets having a sum in the range [a, b].

Explanation:

Input : array[] = {8, 3, 5, 2}

       range = [7, 11]

Output : 1

There is only one triplet {2, 3, 5}

having sum 10 in range [7, 11].

Input : array[] = {2, 7, 5, 3, 8, 4, 1, 9}

       range = [8, 16]

Output : 36