/*WRITE A PROGRAM TO SHOW SCOPE RESOLUTION OPERATOR*/


#include<iostream.h>
#include<conio.h>
int a=10;
void main()
{
int a=20;
{
int b;
b=a;
int a=30;
cout<<"\na="<<a;
cout<<"\nb="<<b;
cout<<"\na="<<::a;
}
cout<<"\na="<<a;
getch();
}

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OUTPUT:-