/* Problem URL: https://codeforces.com/gym/105446/problem/D */ #include #include using namespace std; #define V vector #define rmin(a, b) a = min(a, b) #define rmax(a, b) a = max(a, b) #define rep(i, lim) for (int i = 0; i < (lim); i++) #define nrep(i, s, lim) for (int i = s; i < (lim); i++) #define repv(i, v) for (auto &i : (v)) #define fillv(v) for (auto &itr_ : (v)) { cin >> itr_; } #define sortv(v) sort(v.begin(), v.end()) #define all(v) (v).begin(), (v).end() using vi = vector; using vvi = vector; using vvvi = vector; using vvvvi = vector; using ll = long long; using vl = vector; using vvl = vector; using vvvl = vector; using vvvvl = vector; template auto operator<<(ostream &os, const vector &vec)->ostream& { os << vec[0]; for (size_t i = 1; i < vec.size(); i++) { os << ' ' << vec[i]; } os << '\n'; return os; } template auto operator>>(istream &is, vector &vec)->istream& { for (auto &i : vec) { is >> i; } return is; } template auto operator<<(ostream &os, const vector> &vec)->ostream& { for (auto &i : vec) { os << i[0]; for (size_t j = 1; j < i.size(); j++) { os << ' ' << i[j]; } os << '\n'; } return os; } template auto operator>>(istream &is, vector> &vec)->istream& { for (auto &i : vec) { for (auto &j : i) { is >> j; } } return is; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int q; cin >> q; while (q--) { double p, r, y; cin >> p >> r >> y; double low = -1.5; double high = 1.5; while (high - low >= 1e-10) { double third = (high - low) / 3; double mid1 = low + third; double mid2 = high - third; auto check = [&](double mid) { double w = mid; double s = (y - p - r) / 2 + w; double n = r + s; double e = p + w; return max({abs(w), abs(s), abs(n), abs(e)}); }; if (check(mid1) < check(mid2)) { high = mid1; continue; } if (check(mid1) > check(mid2)) { low = mid2; continue; } low = mid1; high = mid2; } double w = low; double s = (y - p - r) / 2 + w; double n = r + s; double e = p + w; cout << fixed << setprecision(6) << n << ' ' << e << ' ' << s << ' ' << w << '\n'; } }