結果
問題 | No.1105 Many Triplets |
ユーザー | merom686 |
提出日時 | 2020-07-04 02:10:29 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 3,485 bytes |
コンパイル時間 | 1,059 ms |
コンパイル使用メモリ | 92,272 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-17 06:36:17 |
合計ジャッジ時間 | 1,997 ms |
ジャッジサーバーID (参考情報) |
judge6 / judge4 |
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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
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 2 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 1 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
ソースコード
#include <iostream> #include <vector> #include <string> #include <algorithm> #include <cstdio> #include <cstring> #include <cmath> using namespace std; using ll = long long; struct ModInt { ModInt() : i(0) {} ModInt(ll k) : i(k % Mod) { if (i < 0) i += Mod; } ModInt operator+(ModInt m) const { ModInt r; r.i = i + m.i; if (r.i >= Mod) r.i -= Mod; return r; } ModInt operator-(ModInt m) const { ModInt r; r.i = i - m.i; if (r.i < 0) r.i += Mod; return r; } ModInt operator*(ModInt m) const { ModInt r; r.i = (ll)i * m.i % Mod; return r; } ModInt &operator+=(ModInt m) { i += m.i; if (i >= Mod) i -= Mod; return *this; } ModInt &operator-=(ModInt m) { i -= m.i; if (i < 0) i += Mod; return *this; } ModInt &operator*=(ModInt m) { i = (ll)i * m.i % Mod; return *this; } ModInt operator-() const { ModInt r; r.i = i == 0 ? 0 : Mod - i; return r; } bool operator!() const { return !i; } ModInt pow(ll k) const { ModInt r = 1, t = *this; for (; k != 0; k /= 2) { if (k & 1) r *= t; t *= t; } return r; } ////Modが素数のときのみ //ModInt inv() const { // return pow(Mod - 2); //} //ModInt operator/(ModInt m) const { // return *this * m.inv(); //} //ModInt &operator/=(ModInt m) { // return *this *= m.inv(); //} constexpr static inline int Mod = 1000000007; int i; }; ostream &operator<<(ostream &os, const ModInt &m) { os << m.i; return os; } istream &operator>>(istream &is, ModInt &m) { is >> m.i; return is; } template <class T> struct Matrix { Matrix(int n, int m) : a(n * m), n(n), m(m) {} static Matrix E(int n) { Matrix r(n, n); for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { r[i][j] = i == j; } } return r; } Matrix pow(ll k) const { Matrix r = E(n), t = *this; for (; k != 0; k /= 2) { if (k & 1) r = r * t; t = t * t; } return r; } Matrix operator*(const Matrix &x) const { if (m != x.n) throw; Matrix r(n, x.m); for (int i = 0; i < n; i++) { for (int j = 0; j < x.m; j++) { T t = 0; for (int k = 0; k < m; k++) { t += (*this)[i][k] * x[k][j]; } r[i][j] = t; } } return r; } const T *operator[](int i) const { return &a[i * m]; } T *operator[](int i) { return &a[i * m]; } vector<T> a; int n, m; }; using Mat = Matrix<ModInt>; ostream &operator<<(ostream &os, const Mat &x) { for (int i = 0; i < x.n; i++) { for (int j = 0; j < x.m; j++) { cout << x[i][j] << " \n"[j == x.m - 1]; } } return os; } int main() { ll n; cin >> n; Mat v(3, 1), x(3, 3); int p[3] = { 1, -1, 0 }; for (int i = 0; i < 3; i++) { cin >> v[i][0]; for (int j = 0; j < 3; j++) { x[i][(j + i) % 3] = p[j]; } } v = x.pow(n - 1) * v; for (int i = 0; i < 3; i++) { cout << v[i][0] << " \n"[i == 2]; } return 0; }