Function to maximize the sum by swapping only one digit
void findMaxSum ( int n1 , int n2 ) { int arr1 [ MAX ] = { 0 } , arr2 [ MAX ] = { 0 } ; int l1 = 0 , l2 = 0 ; int max1 = max ( n1 , n2 ) ; int min1 = min ( n1 , n2 ) ;