Preceding 0

How can i get a preceding 0 in one digit numbers?
Going to use it in a clock...
I know there is a function that can do this...

If it's just for output you can take your pick between these two -

Code:

---

#include <iostream>
#include <iomanip>
#include <cstdio>
using namespace std;

int main()
{

        int i =5;

        cout <<setfill('0')<<setw(2)<< i << endl;
        printf("%02d\n",i);

        return 0;
}

---

If you want to store the number with a preceding zero as a character then you can use stringstream or sprintf.

Thanks a lot!
Just what I was looking for:)