結果
問題 | No.2752 文字列の数え上げ mod 998244353 |
ユーザー | Today03 |
提出日時 | 2024-05-20 10:13:13 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,368 ms / 2,000 ms |
コード長 | 3,262 bytes |
コンパイル時間 | 2,269 ms |
コンパイル使用メモリ | 209,700 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-05-20 10:13:25 |
合計ジャッジ時間 | 10,092 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
(要ログイン)
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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,944 KB |
testcase_18 | AC | 1 ms
6,944 KB |
testcase_19 | AC | 1 ms
6,940 KB |
testcase_20 | AC | 709 ms
6,940 KB |
testcase_21 | AC | 1,202 ms
6,944 KB |
testcase_22 | AC | 1,214 ms
6,944 KB |
testcase_23 | AC | 1,227 ms
6,940 KB |
testcase_24 | AC | 1,368 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; const int INF = 1e9 + 10; const ll INFL = 4e18; template <typename T> using matrix = vector<vector<T>>; template <typename T> matrix<T> make_matrix(int n) { vector<vector<T>> ret(n, vector<T>(n)); return ret; } template <typename T> matrix<T> operator*(const matrix<T> &a, const matrix<T> &b) { int n = a.size(); matrix<T> ret(n, vector<T>(n)); for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { for (int k = 0; k < n; k++) { ret[i][j] += a[i][k] * b[k][j]; } } } return ret; } template <typename T> matrix<T> operator^(matrix<T> a, ll b) { int n = a.size(); matrix<T> ret(n, vector<T>(n)); for (int i = 0; i < n; i++) { ret[i][i] = 1; } while (b) { if (b & 1) { ret = ret * a; } a = a * a; b >>= 1; } return ret; } template <ll MOD> struct modint { ll value; modint(ll x = 0) { if (x >= 0) { value = x % MOD; } else { value = MOD - (-x) % MOD; } } modint operator-() const { return modint(-value); } modint operator+() const { return modint(*this); } modint &operator+=(const modint &other) { value += other.value; if (value >= MOD) { value -= MOD; } return *this; } modint &operator-=(const modint &other) { value += MOD - other.value; if (value >= MOD) { value -= MOD; } return *this; } modint &operator*=(const modint other) { value = value * other.value % MOD; return *this; } modint &operator/=(modint other) { (*this) *= other.inv(); return *this; } modint operator+(const modint &other) const { return modint(*this) += other; } modint operator-(const modint &other) const { return modint(*this) -= other; } modint operator*(const modint &other) const { return modint(*this) *= other; } modint operator/(const modint &other) const { return modint(*this) /= other; } modint pow(ll x) const { modint ret(1), mul(value); while (x) { if (x & 1) { ret *= mul; } mul *= mul; x >>= 1; } return ret; } modint inv() const { return pow(MOD - 2); } bool operator==(const modint &other) const { return value == other.value; } bool operator!=(const modint &other) const { return value != other.value; } friend ostream &operator<<(ostream &os, const modint &x) { return os << x.value; } friend istream &operator>>(istream &is, modint &x) { ll v; is >> v; x = modint<MOD>(v); return is; } }; using mod998 = modint<998244353>; using mod107 = modint<1000000007>; using mint = mod998; int main() { int T; cin >> T; while (T--) { ll N; cin >> N; vector<vector<mint>> A = {{1, 26}, {0, 26}}; A = A ^ N; mint ans = A[0][1]; cout << ans << '\n'; } }