c how to fibonacci
#include <stdio.h>
#include <stdlib.h>
int main() {
long int a = 1,b = 2, c, d, cont = 0;
double e, f;
printf("Fibonacci fino a: ");
scanf("%ld", &c);
while(b < c)
{
cont ++;
printf("\n%ld", b);
d = a;
a = b;
b = b + d;
}
f = (double)b / (double)a;
e = (double)cont / (double)c * (double)100;
printf("\n\nOttenuto: %lf\nPercentuale: %lf\n\n\n", f, e);
system("pause");
}