#include <stdio.h>
#include <float.h> // Para as precisões

int main(void) {
    float f = 10.0 / 3.0;    
    double d = 10.0 / 3.0;
    long double ld = 10.0L / 3.0L;

    printf("float        (%d): %.20f\n", FLT_DIG, f);
    printf("double      (%d): %.20lf\n", DBL_DIG, d);
    printf("long double (%d): %.20Lf\n", LDBL_DIG, ld);
    
    return 0;
}