結果
問題 | No.2156 ぞい文字列 |
ユーザー | a16784542 |
提出日時 | 2022-12-09 22:06:30 |
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 | 9,322 bytes |
コンパイル時間 | 4,932 ms |
コンパイル使用メモリ | 271,540 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-14 22:03:42 |
合計ジャッジ時間 | 4,987 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 1 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 1 ms
5,248 KB |
testcase_17 | AC | 1 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
ソースコード
#if !__INCLUDE_LEVEL__ #include __FILE__ //https://qiita.com/gnbrganchan/items/47118d45b3af9d5ae9a4 template<typename T> struct mat { // 行列m vector<vector<T>> m; // コンストラクタ:第1引数⇒行数、第2引数⇒列数、第3引数⇒初期値 mat():m(vector<vector<T>>()){} mat(int h,int w):m(vector<vector<T>>(h,vector<T>(w))){} mat(int h,int w, T d):m(vector<vector<T>>(h,vector<T>(w,d))){} // 添字演算子 vector<T> operator[](const int i) const {return m[i];} //読み取り vector<T>& operator[](const int i){return m[i];} //書き込み // 行数・列数 int nrow = sz(m); int ncol = sz(m[0]); // 行列同士の演算 // constexpr mat& operator=(const mat& a){return *a;} constexpr mat& operator+=(const mat& a){assert(ncol == a.ncol && nrow == a.nrow);rep(i,nrow)rep(j,ncol)m[i][j] += a[i][j]; return *this;} constexpr mat& operator-=(const mat& a){assert(ncol == a.ncol && nrow == a.nrow);rep(i,nrow)rep(j,ncol)m[i][j] -= a[i][j]; return *this;} constexpr mat& operator*=(const mat& a){assert(ncol == a.nrow);mat<T> m2(nrow, a.ncol, 0);rep(i,nrow)rep(j,a.ncol)rep(k,ncol)m2[i][j] += m[i][k]*a[k][j];ncol = a.ncol;rep(i,nrow)m[i].resize(ncol);rep(i,nrow)rep(j,ncol)m[i][j] = m2[i][j]; return *this;} constexpr mat operator+(const mat& a) const noexcept { return mat(*this) += a;} constexpr mat operator-(const mat& a) const noexcept { return mat(*this) -= a;} constexpr mat operator*(const mat& a) const noexcept { return mat(*this) *= a;} bool operator==(const mat& a){assert(ncol == a.ncol && nrow == a.nrow);bool flg = true;rep(i,nrow)rep(j,ncol)if(m[i][j] != a[i][j])flg = false; return flg;} // 行列とスカラの演算 mat& operator+=(const T& a){rep(i,nrow)rep(j,ncol)m[i][j] += a;return *this;} mat& operator-=(const T& a){rep(i,nrow)rep(j,ncol)m[i][j] -= a;return *this;} mat& operator*=(const T& a){rep(i,nrow)rep(j,ncol)m[i][j] *= a;return *this;} mat& operator/=(const T& a){rep(i,nrow)rep(j,ncol)m[i][j] /= a;return *this;} mat operator+(const T& a) const { return mat(*this) += a;} mat operator-(const T& a) const { return mat(*this) -= a;} mat operator*(const T& a) const { return mat(*this) *= a;} mat operator/(const T& a) const { return mat(*this) /= a;} // 回転(degの数だけ時計回りに90度回転) mat& rot(int deg){ mat<T> m2(ncol, nrow); if(deg == 1 || deg == 3){ if(deg == 1)rep(i,nrow)rep(j,ncol)m2[j][nrow -i -1] = m[i][j]; if(deg == 3)rep(i,nrow)rep(j,ncol)m2[ncol -j -1][i] = m[i][j]; swap(ncol,nrow); // 列数と行数を入れ替える m.resize(nrow);rep(i,nrow)m[i].resize(ncol); //リサイズ } if(deg == 2)rep(i,nrow)rep(j,ncol)m2[nrow -i -1][ncol -j -1] = m[i][j]; rep(i,nrow)rep(j,ncol)m[i][j] = m2[i][j]; return *this; } //累乗 void pow(ll n){ mat<T> m2=*this; mat<T> res(ncol,nrow); rep(i,ncol)res[i][i]=1; while(n){ if(n&1){ res*=m2; } n>>=1; m2*=m2; } *this=res; return ; } // 標準出力 void show(){ rep(i,nrow)rep(j,ncol){ if(j != 0)cout << " "; cout << m[i][j]; if(j==ncol-1)cout << endl; } return ; } }; // int sample(){ // mat<int> m(2,3,2),m2(3,2,1); // オブジェクトの作成 // V<mat<int>> g(10,mat<int>(3,3)); // 3*3行列*10個 // m[0][0] = 1; // 一部の要素を書き換え // m.show(); // 表示 // cout << endl; // mat<int> m3 = m * m2; // 行列同士の掛け算 // m3.show(); // cout << endl; // m.rot(1); //時計回りに90度回転 // m.show(); // return 0; // } template<int MOD> struct Fp { long long val; constexpr Fp(long long v = 0) noexcept : val(v % MOD) { if (val < 0) val += MOD; } constexpr int getmod() { return MOD; } constexpr Fp operator - () const noexcept { return val ? MOD - val : 0; } constexpr Fp operator + (const Fp& r) const noexcept { return Fp(*this) += r; } constexpr Fp operator - (const Fp& r) const noexcept { return Fp(*this) -= r; } constexpr Fp operator * (const Fp& r) const noexcept { return Fp(*this) *= r; } constexpr Fp operator / (const Fp& r) const noexcept { return Fp(*this) /= r; } constexpr Fp& operator += (const Fp& r) noexcept { val += r.val; if (val >= MOD) val -= MOD; return *this; } constexpr Fp& operator -= (const Fp& r) noexcept { val -= r.val; if (val < 0) val += MOD; return *this; } constexpr Fp& operator *= (const Fp& r) noexcept { val = val * r.val % MOD; return *this; } constexpr Fp& operator /= (const Fp& r) noexcept { long long a = r.val, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } val = val * u % MOD; if (val < 0) val += MOD; return *this; } constexpr bool operator == (const Fp& r) const noexcept { return this->val == r.val; } constexpr bool operator != (const Fp& r) const noexcept { return this->val != r.val; } friend constexpr ostream& operator << (ostream &os, const Fp<MOD>& x) noexcept { return os << x.val; } friend constexpr Fp<MOD> modpow(const Fp<MOD> &a, long long n) noexcept { if (n == 0) return 1; auto t = modpow(a, n / 2); t = t * t; if (n & 1) t = t * a; return t; } }; // const int MOD = 1000000007; const int MOD = 998244353; using mint = Fp<MOD>; struct Solver { void solve() { ll n;cin>>n; mat<mint> m(4,4); m[0][2]=m[1][3]=m[2][1]=m[3][0]=m[3][1]=1; m[2][0]=2; // m.show(); m.pow(n-2); mat<mint> x(4,1); x[0][0]=x[2][0]=x[3][0]=1; m*=x; // m.show(); mint ans=m[2][0]+m[3][0]-1; cout<<ans<<endl; return ; }}; signed main() { int ts = 1; // scanf("%lld",&ts); rep(ti,ts) { Solver solver; solver.solve(); } return 0; } #else #include <bits/stdc++.h> #include <atcoder/all> using namespace atcoder; // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; using namespace std; #define int ll using ll=long long; using ld = long double; using uint = unsigned; using ull = unsigned long long; using P=pair<int,int>; using TP=tuple<int,int,int>; template <class T> using V = vector<T>; template <class T> using max_heap = priority_queue<T>; template <class T> using min_heap = priority_queue<T, vector<T>, greater<>>; #define FOR1(a) for (ll _ = 0; _ < ll(a); ++_) #define FOR2(i, a) for (ll i = 0; i < ll(a); ++i) #define FOR3(i, a, b) for (ll i = a; i < ll(b); ++i) #define FOR4(i, a, b, c) for (ll i = a; i < ll(b); i += (c)) #define FOR1_R(a) for (ll i = (a)-1; i >= ll(0); --i) #define FOR2_R(i, a) for (ll i = (a)-1; i >= ll(0); --i) #define FOR3_R(i, a, b) for (ll i = (b)-1; i >= ll(a); --i) #define FOR4_R(i, a, b, c) for (ll i = (b)-1; i >= ll(a); i -= (c)) #define overload4(a, b, c, d, e, ...) e #define rep(...) overload4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__) #define rrep(...) overload4(__VA_ARGS__, FOR4_R, FOR3_R, FOR2_R, FOR1_R)(__VA_ARGS__) #define fore(i,a) for(auto &i:a) #define all(x) x.begin(),x.end() #define sz(x) ((int)(x).size()) #define bp(x) (__builtin_popcountll((long long)(x))) #define elif else if #define mpa make_pair #define bit(n) (1LL<<(n)) #define LB(c, x) distance((c).begin(), lower_bound(all(c), (x))) #define UB(c, x) distance((c).begin(), upper_bound(all(c), (x))) #define UNIQUE(x) sort(all(x)), x.erase(unique(all(x)), x.end()) template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } template<typename T>istream& operator>>(istream&i,vector<T>&v){rep(j,sz(v))i>>v[j];return i;} template<typename T>string join(const T&v,const string& d=""){stringstream s;rep(i,sz(v))(i?s<<d:s)<<v[i];return s.str();} template<typename T>ostream& operator<<(ostream&o,const vector<T>&v){if(sz(v))o<<join(v," ");return o;} template<typename T1,typename T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.first>>v.second;} template<typename T1,typename T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.first<<","<<v.second;} template<typename T1,typename T2>bool mins(T1& x,const T2&y){if(x>y){x=y;return true;}else return false;} template<typename T1,typename T2>bool maxs(T1& x,const T2&y){if(x<y){x=y;return true;}else return false;} template<typename Tx, typename Ty>Tx dup(Tx x, Ty y){return (x+y-1)/y;} template<typename T>ll suma(const vector<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;} template<typename T>ll suma(const V<V<T>>&a){ll res(0);for(auto&&x:a)res+=suma(x);return res;} template<typename T>void uni(T& a){sort(rng(a));a.erase(unique(rng(a)),a.end());} template<typename T>void prepend(vector<T>&a,const T&x){a.insert(a.begin(),x);} const int INF = 1001001001; const ll INFL = 3e18; const int MAX = 2e6+5; #endif