結果
問題 | No.1750 ラムドスウイルスの感染拡大-hard |
ユーザー | yasuwo |
提出日時 | 2021-11-21 20:14:47 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 228 ms / 2,000 ms |
コード長 | 4,409 bytes |
コンパイル時間 | 5,565 ms |
コンパイル使用メモリ | 313,412 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-23 02:30:55 |
合計ジャッジ時間 | 9,025 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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 7 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 40 ms
5,376 KB |
testcase_09 | AC | 41 ms
5,376 KB |
testcase_10 | AC | 41 ms
5,376 KB |
testcase_11 | AC | 32 ms
5,376 KB |
testcase_12 | AC | 44 ms
5,376 KB |
testcase_13 | AC | 41 ms
5,376 KB |
testcase_14 | AC | 210 ms
5,376 KB |
testcase_15 | AC | 216 ms
5,376 KB |
testcase_16 | AC | 217 ms
5,376 KB |
testcase_17 | AC | 216 ms
5,376 KB |
testcase_18 | AC | 228 ms
5,376 KB |
testcase_19 | AC | 218 ms
5,376 KB |
testcase_20 | AC | 145 ms
5,376 KB |
testcase_21 | AC | 173 ms
5,376 KB |
testcase_22 | AC | 31 ms
5,376 KB |
testcase_23 | AC | 201 ms
5,376 KB |
testcase_24 | AC | 24 ms
5,376 KB |
testcase_25 | AC | 55 ms
5,376 KB |
testcase_26 | AC | 20 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 3 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 30 ms
5,376 KB |
testcase_31 | AC | 29 ms
5,376 KB |
testcase_32 | AC | 27 ms
5,376 KB |
testcase_33 | AC | 27 ms
5,376 KB |
ソースコード
#line 1 "main.cpp" #include <bits/stdc++.h> #include <atcoder/all> #line 3 "/home/yasu/Documents/library/library/matrix.hpp" 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.at(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^=(long long k) { Matrix B = Matrix::I(height()); while (k > 0) { if (k & 1) B *= *this; *this *= *this; k >>= 1LL; } A.swap(B.A); 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); } Matrix operator^(const long long k) const { return (Matrix(*this) ^= k); } 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); } }; #line 4 "main.cpp" using namespace atcoder; using namespace std; using ll = long long int; using ull = unsigned long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using mint = modint998244353; int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); std::cout.tie(nullptr); int N, M; long long T; std::cin >> N >> M >> T; Matrix<mint> Mat(N); for (int i = 0; i < M; ++i) { int u, v; cin >> u >> v; Mat[u][v] = 1; Mat[v][u] = 1; } Mat ^= T; mint ans = Mat[0][0]; cout << ans.val() << endl; return 0; }