結果
問題 | No.675 ドットちゃんたち |
ユーザー | 🍮かんプリン |
提出日時 | 2020-06-08 17:33:13 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 229 ms / 2,000 ms |
コード長 | 4,522 bytes |
コンパイル時間 | 1,413 ms |
コンパイル使用メモリ | 169,468 KB |
実行使用メモリ | 24,320 KB |
最終ジャッジ日時 | 2024-06-07 17:17:49 |
合計ジャッジ時間 | 4,867 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 | 1 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 206 ms
24,228 KB |
testcase_06 | AC | 229 ms
24,320 KB |
testcase_07 | AC | 192 ms
22,272 KB |
testcase_08 | AC | 210 ms
24,320 KB |
testcase_09 | AC | 215 ms
24,192 KB |
testcase_10 | AC | 223 ms
24,192 KB |
testcase_11 | AC | 208 ms
24,320 KB |
ソースコード
/** * @FileName a.cpp * @Author kanpurin * @Created 2020.06.08 17:33:08 **/ #include "bits/stdc++.h" using namespace std; typedef long long ll; template< class T > struct Matrix { std::vector< std::vector< T > > A; Matrix() {} Matrix(size_t n, size_t m) : A(n, std::vector< T >(m, 0)) {} Matrix(size_t n) : A(n, std::vector< T >(n, 0)) {}; size_t height() const { return (A.size()); } size_t width() const { return (A[0].size()); } inline const std::vector< T > &operator[](int k) const { return (A.at(k)); } inline std::vector< T > &operator[](int k) { return (A.at(k)); } static Matrix I(size_t n) { Matrix mat(n); for (int i = 0; i < n; i++) mat[i][i] = 1; return (mat); } Matrix &operator+=(const Matrix &B) { size_t n = height(), m = width(); assert(n == B.height() && m == B.width()); for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) (*this)[i][j] += B[i][j]; return (*this); } Matrix &operator-=(const Matrix &B) { size_t n = height(), m = width(); assert(n == B.height() && m == B.width()); for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) (*this)[i][j] -= B[i][j]; return (*this); } Matrix &operator*=(const Matrix &B) { size_t n = height(), m = B.width(), p = width(); assert(p == B.height()); std::vector< std::vector< T > > C(n, std::vector< T >(m, 0)); for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) for (int k = 0; k < p; k++) C[i][j] = (C[i][j] + (*this)[i][k] * B[k][j]); A.swap(C); return (*this); } Matrix operator+(const Matrix &B) const { return (Matrix(*this) += B); } Matrix operator-(const Matrix &B) const { return (Matrix(*this) -= B); } Matrix operator*(const Matrix &B) const { return (Matrix(*this) *= B); } friend std::ostream &operator<<(std::ostream &os, Matrix &p) { size_t n = p.height(), m = p.width(); for (int i = 0; i < n; i++) { os << "["; for (int j = 0; j < m; j++) { os << p[i][j] << (j + 1 == m ? "]\n" : ","); } } return (os); } T determinant() { Matrix B(*this); assert(width() == height()); T ret = 1; for (int i = 0; i < width(); i++) { int idx = -1; for (int j = i; j < width(); j++) { if (B[j][i] != 0) idx = j; } if (idx == -1) return (0); if (i != idx) { ret *= -1; swap(B[i], B[idx]); } ret *= B[i][i]; T vv = B[i][i]; for (int j = 0; j < width(); j++) { B[i][j] /= vv; } for (int j = i + 1; j < width(); j++) { T a = B[j][i]; for (int k = 0; k < width(); k++) { B[j][k] -= B[i][k] * a; } } } return (ret); } Matrix pow(ll k) const { auto res = I(A.size()); auto M = *this; while (k > 0) { if (k & 1) { res *= M; } M *= M; k >>= 1; } return res; } }; int main() { int n,px,py;cin >> n >> px >> py; vector<Matrix<ll>> mat(n,Matrix<ll>(3)); for (int i = 0; i < n; i++) { int c;cin >> c; if (c == 1) { int d; cin >> d; for (int j = 0; j < 3; j++) { mat[i][j][j] = 1; } mat[i][0][2] = d; } else if (c == 2) { int d;cin >> d; for (int j = 0; j < 3; j++) { mat[i][j][j] = 1; } mat[i][1][2] = d; } else { mat[i][0][1] = 1; mat[i][1][0] = -1; mat[i][2][2] = 1; } } vector<pair<ll,ll>> ans(n); Matrix<ll> now = Matrix<ll>::I(3); for (int i = n-1; i >= 0; i--) { now *= mat[i]; ans[i].first = now[0][0] * px + now[0][1] * py + now[0][2]; ans[i].second = now[1][0] * px + now[1][1] * py + now[1][2]; } for (int i = 0; i < n; i++) { cout << ans[i].first << " " << ans[i].second << endl; } return 0; }