結果
問題 |
No.3005 トレミーの問題
|
ユーザー |
|
提出日時 | 2025-09-03 00:06:15 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 3,166 bytes |
コンパイル時間 | 5,383 ms |
コンパイル使用メモリ | 336,088 KB |
実行使用メモリ | 7,716 KB |
最終ジャッジ日時 | 2025-09-03 00:06:23 |
合計ジャッジ時間 | 7,387 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 30 |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; using ll = long long; using ld = long double; using ull = unsigned long long; template<typename T> using pq = priority_queue<T>; template<typename T> using pq_g = priority_queue<T, vector<T>, greater<T>>; using mint = modint998244353; // using mint = modint1000000007; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() #define unique(v) (v).erase(unique(all(v)), (v).end()) #define NP next_permutation #define endl "\n" #define debug(x) cerr << #x << " = " << (x) << endl const int INF = 2e9; const ll LINF = 2e18; void Yes(bool a) {cout << (a ? "Yes" : "No") << endl;} void YES(bool a) {cout << (a ? "YES" : "NO") << endl;} void Possible(bool a) {cout << (a ? "Possible" : "Impossible") << endl;} void POSSIBLE(bool a) {cout << (a ? "POSSIBLE" : "IMPOSSIBLE") << endl;} ll modPow(ll a, ll n, ll mod = LINF) {ll ret = 1; ll x = a % mod; while (n) {if (n & 1) ret = ret * x % mod; x = x * x % mod; n >>= 1;} return ret;} template<typename T> T floor(T a, T b) {return a / b - (a % b && (a ^ b) < 0);} template<typename T> T ceil(T a, T b) {return floor(a + b - 1, b);} template<typename T> void vcin(vector<T> &a) {rep(i, int(a.size())) cin >> a[i];} template<typename T, typename K> void vcin(vector<T> &a, vector<K> &b) {rep(i, int(a.size())) cin >> a[i] >> b[i];} template<typename T> void vcout(vector<T> &a) {rep(i, int(a.size())) {cout << a[i] << " ";} cout << endl;} template<typename T> void vcin(vector<vector<T>> &a) {rep(i, int(a.size())) rep(j, (int)a[i].size()) cin >> a[i][j];} template<typename T> void vcout(vector<vector<T>> &a) {rep(i, int(a.size())) {rep(j, int(a[i].size())) {cout << a[i][j] << " ";} cout << endl;} cout << endl;} template<typename T> auto vmin(vector<T> &a) {return *min_element(all(a));} template<typename T> auto vmax(vector<T> &a) {return *max_element(all(a));} template<typename T> auto vsum(vector<T> a) {return accumulate(all(a), T(0));} template<typename T> bool chmin(T &a, T b){if(a > b){a = b; return true;} return false;} template<typename T> bool chmax(T &a, T b){if(a < b){a = b; return true;} return false;} void cincout() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); } bool solve(ll a, ll b, ll c) { ll x = sqrtl(a * b); return x * x == a * b && a + b + 2 * x == c; } int main() { cincout(); vector<ll> X(4), Y(4); vcin(X, Y); vector<int> P(4); iota(all(P), 0); auto f = [&](int i, int j) { return (X[i] - X[j]) * (X[i] - X[j]) + (Y[i] - Y[j]) * (Y[i] - Y[j]); }; auto g = [&](int i, int j, int k) { return (Y[j] - Y[i]) * (X[k] - X[j]) == (Y[k] - Y[j]) * (X[j] - X[i]); }; do { bool ok = true; for (int i = 0; i < 4; i++) if (g(i, (i + 1) % 4, (i + 2) % 4)) ok = false; if (ok && solve(f(P[0], P[1]) * f(P[2], P[3]), f(P[0], P[3]) * f(P[1], P[2]), f(P[0], P[2]) * f(P[1], P[3]))) { cout << "YES" << endl; return 0; } } while (NP(all(P))); YES(0); }