Base Cases
if ( length == 1 ) { cout << ( max ( arr1 [ 0 ] , arr2 [ 0 ] ) ) ; return ; } if ( length == 2 ) { cout << ( max ( max ( arr1 [ 1 ] , arr2 [ 1 ] ) , max ( arr1 [ 0 ] , arr2 [ 0 ] ) ) ) ; return ; } else {