結果
問題 |
No.3073 Fraction Median
|
ユーザー |
![]() |
提出日時 | 2025-08-01 00:58:01 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 1,058 ms / 2,500 ms |
コード長 | 2,853 bytes |
コンパイル時間 | 4,605 ms |
コンパイル使用メモリ | 253,604 KB |
実行使用メモリ | 9,128 KB |
最終ジャッジ日時 | 2025-08-01 00:58:22 |
合計ジャッジ時間 | 20,833 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 18 |
ソースコード
#ifndef ONLINE_JUDGE #define _GLIBCXX_DEBUG #endif #include <bits/stdc++.h> #include <cassert> #include <atcoder/all> using namespace std; using namespace atcoder; using ll = long long; using mint = modint998244353; //using mint = modint1000000007; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repu(i, s, t) for (int i = (int)(s); i < (int)(t); i++) #define repd(i, s, t) for (int i = (int)(s)-1; i >= (int)(t); i--) #define all(v) v.begin(), v.end() void _u() { cerr << endl; } template <class H, class... T> void _u(H&& h, T&&... t) { cerr << h << ", "; _u(move(t)...); } #define U(...) { cerr << #__VA_ARGS__ << ": "; _u(__VA_ARGS__); } template<typename T> bool chmax(T &a, const T b) { if(a >= b) return false; a = b; return true; } template<typename T> bool chmin(T &a, const T b) { if(a <= b) return false; a = b; return true; } template<typename T> istream& operator>>(istream &in, vector<T> &a) { for(T &x: a) in >> x; return in; } template<typename T> ostream& operator<<(ostream &out, const vector<T> &a) { for(const T &x: a) out << x << ' '; return out; } const int di[] = {1, 0, -1, 0, 1, 1, -1, -1, 0}; const int dj[] = {0, 1, 0, -1, -1, 1, 1, -1, 0}; struct PQ { ll p, q; PQ(const ll p_=0, const ll q_=1): p(p_), q(q_) { assert(q != 0); reduce(); }; PQ(const PQ &f): p(f.p), q(f.q) {}; void operator=(const PQ &other) { p = other.p; q = other.q; } bool operator==(const PQ &other) const { return p*other.q == other.p*q; } bool operator<(const PQ &other) const { return p*other.q < other.p*q; } bool operator<=(const PQ &other) const { return p*other.q <= other.p*q; } bool operator>(const PQ &other) const { return p*other.q > other.p*q; } bool operator>=(const PQ &other) const { return p*other.q >= other.p*q; } PQ &operator+=(const PQ &other) { ll tp = p*other.q + q*other.p; q *= other.q; p = tp; reduce(); return *this; } PQ &operator-=(const PQ &other) { ll tp = p*other.q - q*other.p; q *= other.q; p = tp; reduce(); return *this; } PQ &operator*=(const PQ &other) { p *= other.p, q *= other.q; reduce(); return *this; } PQ &operator/=(const PQ &other) { p *= other.q, q *= other.p; reduce(); return *this; } PQ operator+(const PQ &other) const { return PQ(*this) += other; } PQ operator-(const PQ &other) const { return PQ(*this) -= other; } PQ operator*(const PQ &other) const { return PQ(*this) *= other; } PQ operator/(const PQ &other) const { return PQ(*this) /= other; } PQ operator-() const { return PQ(*this) *= -1; } void reduce() { ll tmp = gcd(abs(p), abs(q)); p/=tmp, q/=tmp; if(q < 0) p *= -1, q *= -1; } }; int main() { int n; cin >> n; vector<int> a(n); cin >> a; sort(all(a)); PQ ans(0, 1); rep(i, n-1) chmax(ans, PQ(a[i], a[i+1])); cout << ans.p << " " << ans.q << endl; return 0; }