#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; } } pll cnt(ll a, ll b, ll c, vector &x, vector &y) { ll upper = 0; ll lower = 0; for (ll i = 0; i < x.size(); i++) { if (a * x[i] + b * y[i] + c < 0) { upper++; } if (a * x[i] + b * y[i] + c > 0) { lower++; } } return make_pair(upper, lower); } int main() { ll N; cin >> N; vector x(2 * N); vector y(2 * N); for (ll i = 0; i < 2 * N; i++) { cin >> x[i] >> y[i]; } // 傾きを乱択+二分探索 while (true) { ll a = rand() % 200000 - 100000; ll b = rand() % 200000 - 100000; if (a == 0 && b == 0) { continue; } ll cng = -20000000001; ll cok = 20000000001; while (cok - cng > 1) { ll cmid = (cng + cok) / 2; pll sans = cnt(a, b, cmid, x, y); // debug_out(a, b, cmid, sans.first, sans.second); if (cnt(a, b, cmid, x, y).first <= N) { cok = cmid; } else { cng = cmid; } } cok++; pll lans = cnt(a, b, cok, x, y); if (lans.first == N && lans.second == N) { cout << a << " " << b << " " << cok << endl; return 0; } } }