Question

#include <iostream>
using namespace std;
void Abc (int x)
{
if (x<=0)
{
return;
}
Abc (x-1);
cout<<x;
Abc (x-1);
}
int main() {
Abc (3);
return 0;
} ​

Answer 1

Answer:

so what do you want to ask? everything is correct. but plz give ; this sign at the last of each line except the brackets......one second! r u asking output

Answer 2

Answer:

1213121

Explanation:

if 3<=0

3

1

2

1

3

1

2

1