C++ Program for Operators

Program 1

#include<iostream>
#define clrscr() system("cls")
using namespace std;
int main()
{
      int a=5,b,c;
       b=--a;          
       c=b++;
       a=--c;
       b=++a;
       cout<<a;
       cout<<"\n"<<b;
       cout<<"\n"<<c;
                  
    return 0;
}
/* 
   a=4
   b=4
   c=3
*/