The project contains solutions for codility lessons. Some of it may not follow the expected approach as per the lesson but a different one which I think is easy for me.

// you can write to stdout for debugging purposes, e.g. two_slice = (A[i]+A[i+1])/2.0; //avg each two slices if (i< size-2) three_slice = (A[i]+A[i+1]+A[i+2])/3.0 ...