## Given a set of distinct integers, print the size of a maximal subset of S ## where the sum of any numbers in S' is not evenly divisible by k. # group members of s by their remainders when divided ...

You are given an array of n integers, ar=[arr[0],arr[1],..,arr[n-1]], and a positive integer, k. Find and print the number of (i,j) pairs where i<j and arr[i]+arr[j] is divisible by k. For example, ...