1

#include<stdio.h>
#include<float.h>
int main(void)
{
double myd = 1.0/3.0;
float myf = 1.0/3.0;
printf("%.6f\n%.12f\n%.16f\n",myd,myd,myd);
printf("%.6lf\n%.12lf\n%.16lf\n",myf,myf,myf);
printf("%d\n%d\n",FLT_DIG,DBL_DIG);


}