//programma calcolo area perimetro
# include <stdio.h>
 
int a,b,c,area,perimetro;
 
void main()
{
    printf ("inserire il valore del 1° lato");
    scanf  ("%i",&a);
    printf ("inserire il valore del 2° lato");
    scanf  ("%i",&b);
    printf ("vuoi calcolare l'aria del perimetro ?");
    scanf  ("%i",&c);
    if(c==1){
        area=a*b;
        printf ( "area del rettangolo  &%i",area);
    }
    else{
        perimetro= 2*a+2*b;
        printf ("perimetro del rettangolo  &%i",perimetro);
    }
    scanf  ("%i",&a); /*pausa*/
}
 

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