結果
問題 | No.5009 Draw A Convex Polygon |
ユーザー | fuppy_kyopro |
提出日時 | 2022-12-06 03:07:02 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 168 ms / 2,600 ms |
コード長 | 5,065 bytes |
コンパイル時間 | 2,683 ms |
実行使用メモリ | 25,972 KB |
スコア | 4 |
平均クエリ数 | 5.00 |
最終ジャッジ日時 | 2022-12-06 03:07:13 |
合計ジャッジ時間 | 3,714 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge16 |
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ソースコード
//* #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //*/ // #include <atcoder/all> #include <bits/stdc++.h> using namespace std; // using namespace atcoder; // #define _GLIBCXX_DEBUG #define DEBUG(x) cerr << #x << ": " << x << endl; #define DEBUG_VEC(v) \ cerr << #v << ":"; \ for (int iiiiiiii = 0; iiiiiiii < v.size(); iiiiiiii++) \ cerr << " " << v[iiiiiiii]; \ cerr << endl; #define DEBUG_MAT(v) \ cerr << #v << endl; \ for (int iv = 0; iv < v.size(); iv++) { \ for (int jv = 0; jv < v[iv].size(); jv++) { \ cerr << v[iv][jv] << " "; \ } \ cerr << endl; \ } typedef long long ll; // #define int ll #define vi vector<int> #define vl vector<ll> #define vii vector<vector<int>> #define vll vector<vector<ll>> #define vs vector<string> #define pii pair<int, int> #define pis pair<int, string> #define psi pair<string, int> #define pll pair<ll, ll> template <class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template <class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template <class S, class T> ostream &operator<<(ostream &os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define rrep1(i, n) for (int i = (int)(n); i > 0; i--) #define REP(i, a, b) for (int i = a; i < b; i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(), c.end() void YES(bool t = true) { cout << (t ? "YES" : "NO") << endl; } void Yes(bool t = true) { cout << (t ? "Yes" : "No") << endl; } void yes(bool t = true) { cout << (t ? "yes" : "no") << endl; } void NO(bool t = true) { cout << (t ? "NO" : "YES") << endl; } void No(bool t = true) { cout << (t ? "No" : "Yes") << endl; } void no(bool t = true) { cout << (t ? "no" : "yes") << endl; } template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; int popcount(ll t) { return __builtin_popcountll(t); } // int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; // int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; vi dx = {0, 0, -1, 1}, dy = {-1, 1, 0, 0}; vi dx2 = {1, 1, 0, -1, -1, -1, 0, 1}, dy2 = {0, 1, 1, 1, 0, -1, -1, -1}; // struct Setup_io { // Setup_io() { // ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); // cout << fixed << setprecision(25); // } // } setup_io; const ll MOD = 1000000007; // const ll MOD = 998244353; // #define mp make_pair //#define endl '\n' signed main() { vector<pii> xy; rep1(i, 1000) { rep1(j, 1000) { xy.emplace_back(i, j); } } sort(all(xy), [](const pii &xy1, const pii &xy2) { return (double)xy1.second / xy1.first > (double)xy2.second / xy2.first; }); // int n = 1000000; int n = 4; vector<pii> use; rep(i, xy.size()) { if (use.size() == n / 4) { break; } if (use.size() == 0) { use.push_back(xy[i]); } else { double pre = (double)use.back().second / use.back().first; double now = (double)xy[i].second / xy[i].first; if (abs(pre - now) < 1e-8) { continue; } use.push_back(xy[i]); } } assert(use.size() == n / 4); vector<pii> ans; ans.emplace_back(0, -1e9); rep(i, 4) { for (auto [x, y] : use) { auto [px, py] = ans.back(); ans.emplace_back(px + x, py + y); assert(abs(ans.back().first <= 1e9)); assert(abs(ans.back().second <= 1e9)); } if (i == 0 or i == 2) { rep(j, use.size()) { use[j].first *= -1; } } else { rep(j, use.size()) { use[j].second *= -1; } } reverse(all(use)); // DEBUG(ans.back()); } assert(ans.back() == ans[0]); ans.pop_back(); cout << n << endl; assert(ans.size() == n); rep(i, ans.size()) { cout << ans[i].first << " " << ans[i].second << endl; } cout << flush; }