#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector #define vs vector #define vc vector #define vl vector #define vb vector #define vvi vector> #define vvc vector> #define vvl vector> #define vvb vector> #define vvvi vector>> #define vvvl vector>> #define pii pair #define pil pair #define pli pair #define pll pair #define vpii vector> #define vpll vector> #define vvpii vector>> #define vvpll vector>> template void debug(T e) { cerr << e << endl; } template void debug(vector &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template void debug(vector> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template void debug(vector> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template void debug(set &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template void debug(multiset &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template void debug(map &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } using mint = modint998244353; void debug_mint1(vector &vec) { for (int i = 0; i < vec.size(); i++) { cerr << vec[i].val() << " "; } cerr << endl; } void debug_mint2(vector> &vec) { for (int i = 0; i < vec.size(); i++) { for (int j = 0; j < vec[i].size(); j++) { cerr << vec[i][j].val() << " "; } cerr << endl; } } double search1(double A, double B, double C, double left, double right){ double l1 = left; double r1 = right; for (ll k = 0; k < 200; k++){ double mid1 = (r1 + l1) / 2; if (mid1 * mid1 * mid1 + A * mid1 * mid1 + B * mid1 + C < 0){ l1 = mid1; } else{ r1 = mid1; } } return l1; } double search2(double A, double B, double C, double left, double right){ double l1 = left; double r1 = right; for (ll k = 0; k < 200; k++){ double mid1 = (r1 + l1) / 2; if (mid1 * mid1 * mid1 + A * mid1 * mid1 + B * mid1 + C > 0){ l1 = mid1; } else{ r1 = mid1; } } return l1; } int main() { double A, B, C; cin >> A >> B >> C; double d1 = -1000000001.0; double d2 = (-A - sqrt(A * A - 3 * B)) / 3.0; double d3 = (-A + sqrt(A * A - 3 * B)) / 3.0; double d4 = 1000000001.0; // 二分探索 long alpha = round(search1(A, B, C, d1, d2)); long beta = round(search2(A, B, C, d2, d3)); long gamma = round(search1(A, B, C, d3, d4)); cout << alpha << " " << beta << " " << gamma << endl; }