four sorted arrays each of size ' n '
int arr1 [ ] = { 1 , 4 , 5 , 6 } ; int arr2 [ ] = { 2 , 3 , 7 , 8 } ; int arr3 [ ] = { 1 , 4 , 6 , 10 } ; int arr4 [ ] = { 2 , 4 , 7 , 8 } ; int n = sizeof ( arr1 ) / sizeof ( arr1 [ 0 ] ) ; int x = 30 ; cout << " Count ▁ = ▁ " << countQuadruples ( arr1 , arr2 , arr3 , arr4 , n , x ) ; return 0 ; }