Write a recursive void function that has one parameter which is a positive integer. When called, the function is to write its arguments to the screen backward: If the argument is 1234, the output should be. 4321.
What will be an ideal response?
```
void backward(int n)
{
if(n<10)
cout < n;
else
{
cout << n%10; // write last digit
backward(n/10); // write rest of digits (backwards)
}
}
```
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