結果
問題 | No.2524 Stripes |
ユーザー | MasKoaTS |
提出日時 | 2023-09-27 23:53:05 |
言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 895 ms / 7,000 ms |
コード長 | 2,522 bytes |
コンパイル時間 | 3,615 ms |
コンパイル使用メモリ | 257,300 KB |
実行使用メモリ | 36,400 KB |
最終ジャッジ日時 | 2024-07-20 18:15:38 |
合計ジャッジ時間 | 11,544 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 25 |
ソースコード
#include <bits/stdc++.h> #include <atcoder/convolution> #define MOD 998244353ll using namespace std; using namespace atcoder; using ll = long long; struct Vector2 { vector<ll> v1; vector<ll> v2; Vector2(void) { } Vector2(vector<ll> v1, vector<ll> v2) { this->v1 = v1; this->v2 = v2; } }; ll n; vector<ll> operator*(const vector<ll>& left, const vector<ll>& right){ vector<ll> ret = convolution<MOD>(left, right); while(ret.size() > n + 1){ ret.pop_back(); } return ret; } vector<ll> operator+(const vector<ll>& left, const vector<ll>& right){ vector<ll> ret(max(left.size(), right.size())); for(int i = 0; i < left.size(); ++i){ ret[i] += left[i]; } for(int i = 0; i < right.size(); ++i){ ret[i] += right[i]; ret[i] %= MOD; } return ret; } struct Matrix22 { vector<ll> v11, v12, v21, v22; Matrix22(void) { } Matrix22(vector<ll> v11, vector<ll> v12, vector<ll> v21, vector<ll> v22) { this->v11 = v11; this->v12 = v12; this->v21 = v21; this->v22 = v22; } Matrix22 operator*(const Matrix22 other) const { return Matrix22((this->v11 * other.v11) + (this->v12 * other.v21), (this->v11 * other.v12) + (this->v12 * other.v22), (this->v21 * other.v11) + (this->v22 * other.v21), (this->v21 * other.v12) + (this->v22 * other.v22)); } Vector2 operator*(const Vector2 other) const { return Vector2((this->v11 * other.v1) + (this->v12 * other.v2), (this->v21 * other.v1) + (this->v22 * other.v2)); } }; int main(){ cin >> n; string s; cin >> s; vector<Matrix22> M(n, Matrix22()); for(int i = 0; i < n; ++i){ if(s[i] == 'R'){ M[i] = Matrix22({1}, {0, 1}, {0}, {1}); } else{ M[i] = Matrix22({1}, {0}, {0, 1}, {1}); } } Vector2 v_init({1}, {1}); while(M.size() > 1){ vector<Matrix22> M_next = {}; for(int i = 0; i < M.size(); i += 2){ if(i == M.size() - 1){ M_next.push_back(M[i]); continue; } M_next.push_back(M[i + 1] * M[i]); } M = M_next; } Vector2 v = M[0] * v_init; vector<ll> ans = v.v1 + v.v2; for(int i = 1; i < n + 1; ++i){ if(i >= ans.size()){ cout << 0 << endl; continue; } cout << ans[i] << endl; } return 0; }