Increment Operator in C++

#include <iostream.h>
int main()
 {
 int c;
 c = 5;
 cout << c << endl; 
 cout << c++ << endl; 
 cout << c << endl << endl; 
 c = 5;
 cout << c << endl; 
 cout << ++c << endl; 
 cout << c << endl; 
 return 0; 
 }

 OUTPUT:
         5

         5

         6



   
         5

         6

         6