Driver function .
int main ( ) { int arr1 [ ] = { 23 , 45 , 34 , 78 , 12 , 76 , 34 } ; int arr2 [ ] = { 65 , 67 , 34 , 23 , 45 } ; int n = sizeof ( arr1 ) / sizeof ( arr1 [ 0 ] ) ; int m = sizeof ( arr2 ) / sizeof ( arr2 [ 0 ] ) ;