THE OUTPUT WOULD BE
#include<stdio.h>
#include<conio.h>
void main( )
{ clrscr( );
int n,c=0;
printf("Enter four digit password=");
scanf("%d",&n);
if(n==1212)
{ float r,ar;
printf("Area of a circle\n");
printf("Enter radius=");
scanf("%f",&r);
ar=3.14*r*r;
printf("Area of circle=%f",ar);
}
else
{ printf("\nWrong password");
for( ; ; )
{ printf("\n\nAgain enter a four digit password=");
scanf("%d",&n);
if(n!=1212)
{ printf("\nWrong password");
}
if(n==1212)
{ float r,ar;
printf("Area of a circle\n");
printf("Enter radius=");
scanf("%f",&r);
ar=3.14*r*r;
printf("Area of circle=%f",ar);
break;
}
c++;
if(c==2)
break;
}
}
getch( );
}
#include<stdio.h>
#include<conio.h>
void main( )
{ clrscr( );
int n,c=0;
printf("Enter four digit password=");
scanf("%d",&n);
if(n==1212)
{ float r,ar;
printf("Area of a circle\n");
printf("Enter radius=");
scanf("%f",&r);
ar=3.14*r*r;
printf("Area of circle=%f",ar);
}
else
{ printf("\nWrong password");
for( ; ; )
{ printf("\n\nAgain enter a four digit password=");
scanf("%d",&n);
if(n!=1212)
{ printf("\nWrong password");
}
if(n==1212)
{ float r,ar;
printf("Area of a circle\n");
printf("Enter radius=");
scanf("%f",&r);
ar=3.14*r*r;
printf("Area of circle=%f",ar);
break;
}
c++;
if(c==2)
break;
}
}
getch( );
}
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