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