#include<iostream> #include<cstdio> //scanf()\printf() #include<cstring> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ double h=100; h/=2; h/=2; h/=2; h/=2; h/=2; h/=2; h/=2; h/=2; h/=2; h/=2; printf("%.6lf",h); }