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Oops! Yeah... Still it is the season of goodwill to all. :wave:

Try this. This will output any integer (32 bit positive signed) formatted with the delim char every 3 digits starting from the least significant.



#include <iostream>
using namespace std;
...

What's the type of Id?

You will need to use a combination of extraction and getline to read the whole line. Something like



#include <iostream>
#include <string>
using namespace std;

int main()
{

The extraction stream operator >> extracts the next element from the stream according to the type of the required extraction. The next element is an element of the required type delimited by white...