Driver Program to test above function
let mat = [ [ 1 , 1 , 1 , 1 , 1 ] , [ 2 , 2 , 2 , 2 , 2 ] , [ 3 , 3 , 3 , 3 , 3 ] , [ 4 , 4 , 4 , 4 , 4 ] , [ 5 , 5 , 5 , 5 , 5 ] ] let k = 3 ; printSumSimple ( mat , k ) ;