Bullet Drop - CRNMBDRP - Cranium 2015

/*  Sanchit Abrol  */
#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define mp make_pair
#define all(X) (X).begin(),(X).end()
#define tr(c,i) for(typeof((c).begin()) i = (c).begin(); i != (c).end(); i++)
#define s(a) scanf("%d", &a)

int N,i,j,T;

int main()
{
s(N);
while(N--)
{
s(i);
long double ans = 0.0;
if(i > 100) ans = ((long double)i - 100) / 200;
printf("%.10Lf\n", ans);
}
return 0;
}