C++ miscellaneous MCQ question and answer with solution | C++ Programimg MCQs

#include <iostream>  
#include <utility>
 
using namespace std;
 
int main () 
{
  pair <int,int>p;
  p = make_pair(1,2);
  cout<<"Pair(first,second) = ("<<p.first<<","<<p.second<<")\n";
  return 0;
}

#include <iostream>
#include <exception>
using namespace std;
class myexception: public exception
{
    virtual const char* what() const throw()
    {
        return "My exception";
    }
} myex;
int main () 
{
    try
    {
        throw myex;
    }
    catch (exception& e)
    {
        cout << e.what() << endl;
    }
    return 0;
}