結果
問題 | No.2221 Set X |
ユーザー |
|
提出日時 | 2024-06-20 23:13:33 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 147 ms / 2,000 ms |
コード長 | 2,361 bytes |
コンパイル時間 | 2,536 ms |
コンパイル使用メモリ | 161,976 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-20 23:13:41 |
合計ジャッジ時間 | 7,583 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 40 |
ソースコード
#include <algorithm> #include <cassert> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <iostream> #include <numeric> #include <vector> #include <map> #include <set> #include <queue> #include <functional> #include <iomanip> #include <ranges> using namespace std; using ll = long long; class range {private: struct I{int x;int operator*(){return x;}bool operator!=(I& lhs){return x<lhs.x;}void operator++(){++x;}};I i,n; public:range(int n_):i({0}),n({n_}){}range(int i_,int n_):i({i_}),n({n_}){}I& begin(){return i;}I& end(){return n;}}; template<typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p){ return os << "{" << p.first << ", " << p.second << "}"; } template<typename T> ostream& operator<<(ostream& os, const vector<T>& obj) { os << "{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> ostream& operator<<(ostream& os, const set<T>& obj) { os << "set{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& obj) { os << "map{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } #ifdef ONLINE_JUDGE #define dump(expr) ; #else #define dump(expr) { cerr << "\033[33m#L" << __LINE__ << ": " << expr << "\033[39m" << endl; } #endif namespace solver { int n; vector<ll> vs; void read() { cin >> n; vs.resize(n); for (int i : range(n)) cin >> vs[i]; } ll xmin, fmin; void update(ll x, ll f) { if (f < fmin) { dump(x << " " << f); fmin = f; xmin = x; } } void run() { xmin = 0, fmin = 1LL << 60; for (ll x = 1; x <= 2 * n; ++x) { ll s_upper = 2 * n / (x + 1); ll s = 1; for (int now = 0; now < n; ) { ll next = (vs[now] / x + 1) * x; auto it = lower_bound(vs.begin() + now, vs.end(), next); if (it == vs.end()) break; now = (it - vs.begin()); dump(x << " === " << now << " " << *it); s++; if (s > s_upper) break; } dump(x << " " << s) update(x, (x + 1) * s); } cout << xmin << endl; cout << fmin << endl; } } int main(int argc, char** argv) { cerr << fixed << setprecision(12); cout << fixed << setprecision(12); int testcase = 1; if (argc > 1) testcase = atoi(argv[1]); while (testcase--) { solver::read(); } solver::run(); }