結果
問題 | No.849 yuki国の分割統治 |
ユーザー | ir5 |
提出日時 | 2024-06-21 12:12:20 |
言語 | C++23(gcc13) (gcc 13.2.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 126 ms / 2,000 ms |
コード長 | 3,139 bytes |
コンパイル時間 | 2,132 ms |
コンパイル使用メモリ | 151,548 KB |
実行使用メモリ | 8,704 KB |
最終ジャッジ日時 | 2024-06-21 12:12:27 |
合計ジャッジ時間 | 6,206 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 98 ms
6,940 KB |
testcase_08 | AC | 100 ms
6,940 KB |
testcase_09 | AC | 100 ms
6,940 KB |
testcase_10 | AC | 106 ms
6,940 KB |
testcase_11 | AC | 93 ms
6,944 KB |
testcase_12 | AC | 100 ms
6,944 KB |
testcase_13 | AC | 105 ms
6,940 KB |
testcase_14 | AC | 104 ms
6,940 KB |
testcase_15 | AC | 93 ms
6,940 KB |
testcase_16 | AC | 122 ms
7,808 KB |
testcase_17 | AC | 98 ms
6,944 KB |
testcase_18 | AC | 123 ms
7,936 KB |
testcase_19 | AC | 105 ms
6,940 KB |
testcase_20 | AC | 115 ms
6,940 KB |
testcase_21 | AC | 89 ms
6,944 KB |
testcase_22 | AC | 117 ms
7,552 KB |
testcase_23 | AC | 114 ms
7,168 KB |
testcase_24 | AC | 101 ms
6,940 KB |
testcase_25 | AC | 126 ms
8,704 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,940 KB |
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> 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 ll extgcd(ll a, ll b, ll &x, ll &y) { ll g = a; x = 1; y = 0; if (b != 0) g = extgcd(b, a % b, y, x), y -= (a / b) * x; return g; } namespace solver { ll a, b, c, d; ll n; vector<ll> xs, ys; void read() { cin >> a >> b >> c >> d; cin >> n; xs.resize(n); ys.resize(n); for (int i : range(n)) cin >> xs[i] >> ys[i]; } void experiment() { set<pair<ll, ll>> st; dump(a) dump(b) dump(c) dump(d) for (ll s : range(-100, 100)) for (ll t : range(-100, 100)) { ll x = a * s + c * t; ll y = b * s + d * t; if (x >= 0 && y >= 0 && x <= 15 && y <= 15) st.insert({x, y}); } cout << st << endl; } using RetType = ll; RetType run() { ll A = abs(a * d - b * c); ll gx = gcd(a, c); ll gy = gcd(b, d); set<pair<int, int>> st; dump("A " << A); if (A == 0) { dump(a << " " << b) if (gx == 0) { for (int i : range(n)) st.insert({xs[i], ys[i] % gy}); } else { for (int i : range(n)) { ll x = xs[i], y = ys[i]; ll m = x / gx; x -= m * gx; y -= m * gy; st.insert({x, y}); } } return st.size(); } ll h = gy; ll w = A / gy; ll s0, t0; extgcd(b, d, s0, t0); ll u = a * s0 + c * t0; for (int i : range(n)) { ll x = xs[i], y = ys[i]; ll m = y / gy; x -= m * u; y -= m * h; x = ((x % w) + w) % w; st.insert({x, y}); } return st.size(); } } // namespace template <typename F> void run(F f) { if constexpr (std::is_same_v<decltype(f()), void>) f(); else cout << f() << 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::experiment(); run(solver::run); }