//programma calcolo area perimetro
# include <stdio.h>
 
int a,b,c,area,perimetro;
 
int 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*/
    return 0;
}
 

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

NQoxMAoxCjE=

5
10
1
1