#include<stdio.h> int main() { int a,b,c; scanf("%d%d%d",&a,&b,&c); if(a<=1e+6&&b<=1e+6&&c<=100&&a!=0&&b!=0&&c!=0) printf("%.*lf\n",c,(double)a/(double)b); return 0; }
#include<stdio.h> int main() { int a,b,c; scanf("%d%d%d",&a,&b,&c); if(a<=1e+6&&b<=1e+6&&c<=100&&a!=0&&b!=0&&c!=0) printf("%.*lf\n",c,(double)a/(double)b); return 0; }