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

#define fastio ios_base::sync_with_stdio(false); cin.tie(0)

const double EPS = 1e-7;

void solve(int tc) {
    cout << "Case #" << tc << ": ";
    
    int n; cin >> n;
    int sum = 0;

    vector<int> s(n);
    for (int &x : s) {
        cin >> x;
        sum += x;
    }

    vector<double> ans(n);
    for (int i = 0; i < n; i++) {
        double left = 0, right = 1;
        double minVal = right;
        for (int it = 0; it < 100; it++) {
            double mid = (left + right) / 2;
            double mean = ((sum - s[i]) + sum * (1 - mid)) / (n - 1);
            double score = s[i] + sum * mid;
            if (score >= mean) {
                minVal = mid;
                right = mid;
            } else {
                left = mid;
            }
        }
        ans[i] = minVal;
    }

    cout << fixed << setprecision(6);
    for (double x : ans) {
        cout << x * 100 << " ";
    }
    cout << '\n';
}


int main()
{
    fastio;
    int T; cin >> T;
    for (int tc = 0; tc < T; tc++){
        solve(tc + 1);
    }
    return 0;
}