type conversion friend function

Practical - 23

#include<iostream>
using namespace std;
class T12
{
      int h,m;
      char c;
      public:
      T12()
      {
            h=0;
            m=0;
            c='\0';
      }
      void getdata()
      {
            cout<<"\n Enter the time according to 12 hour";
            cout<<"\n enter no of hour : ";
            cin>>h;
            cout<<"\n enter no of minitues : ";
            cin>>m;
            cout<<"\n enter a for a.m or p for p.m : ";
            cin>>c;
     
      }
      friend class T24;
     
};
class T24
{
      int ho,mi;
      public:
      T24()
      {
            ho=0;
            mi=0;
      }
      T24(T12 t1)
      {
            if(t1.c == 'p')
            {
                  ho = t1.h + 12;
                  mi = t1.m;
            }
            else
            {
                  ho = t1.h;
                  mi = t1.m;
            }
      }
     
      friend void disp(T24);
};
void disp(T24 t2)
{
      cout<<"\n hour : "<<t2.ho;
      cout<<"\n minitues : "<<t2.mi;
}
int main()
{
     
      T12 t1;
      T24 t2;
      t1.getdata();
      t2=t1;
      disp(t2);
      return 0;
}