結果
問題 | No.840 ほむほむほむら |
ユーザー | LayCurse |
提出日時 | 2019-06-28 03:05:59 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 245 ms / 4,000 ms |
コード長 | 10,677 bytes |
コンパイル時間 | 2,233 ms |
コンパイル使用メモリ | 205,656 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-02 04:01:14 |
合計ジャッジ時間 | 4,465 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 | 6 ms
5,376 KB |
testcase_03 | AC | 35 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 3 ms
5,376 KB |
testcase_07 | AC | 12 ms
5,376 KB |
testcase_08 | AC | 62 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 3 ms
5,376 KB |
testcase_12 | AC | 18 ms
5,376 KB |
testcase_13 | AC | 159 ms
5,376 KB |
testcase_14 | AC | 21 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 4 ms
5,376 KB |
testcase_17 | AC | 37 ms
5,376 KB |
testcase_18 | AC | 200 ms
5,376 KB |
testcase_19 | AC | 245 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 5 ms
5,376 KB |
testcase_23 | AC | 233 ms
5,376 KB |
testcase_24 | AC | 5 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 6 ms
5,376 KB |
testcase_27 | AC | 233 ms
5,376 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; void *wmem; template<class S, class T> inline S min_L(S a,T b){ return a<=b?a:b; } struct mint{ static unsigned R, RR, Rinv, W, md, mdninv; unsigned val; mint(){ } mint(int a){ val = mulR(a); } mint(unsigned a){ val = mulR(a); } mint(long long a){ val = mulR(a); } mint(unsigned long long a){ val = mulR(a); } int get_inv(long long a, int md){ long long e, s=md, t=a, u=1, v=0; while(s){ e=t/s; t-=e*s; u-=e*v; swap(t,s); swap(u,v); } if(u<0){ u+=md; } return u; } void setmod(unsigned m){ int i; unsigned t; W = 32; md = m; R = (1ULL << W) % md; RR = (unsigned long long)R*R % md; switch(m){ case 104857601: Rinv = 2560000; mdninv = 104857599; break; case 998244353: Rinv = 232013824; mdninv = 998244351; break; case 1000000007: Rinv = 518424770; mdninv = 2226617417U; break; case 1000000009: Rinv = 171601999; mdninv = 737024967; break; case 1004535809: Rinv = 234947584; mdninv = 1004535807; break; case 1007681537: Rinv = 236421376; mdninv = 1007681535; break; case 1012924417: Rinv = 238887936; mdninv = 1012924415; break; case 1045430273: Rinv = 254466304; mdninv = 1045430271; break; case 1051721729: Rinv = 257538304; mdninv = 1051721727; break; default: Rinv = get_inv(R, md); mdninv = 0; t = 0; for(i=0;i<(int)W;i++){ if(t%2==0){ t+=md; mdninv |= (1U<<i); } t /= 2; } } } unsigned mulR(unsigned a){ return (unsigned long long)a*R%md; } unsigned mulR(int a){ if(a < 0){ a = a%md+md; } return mulR((unsigned)a); } unsigned mulR(unsigned long long a){ return mulR((unsigned)(a%md)); } unsigned mulR(long long a){ a %= md; if(a < 0){ a += md; } return mulR((unsigned)a); } unsigned reduce(unsigned T){ unsigned m=T * mdninv, t=(unsigned)((T + (unsigned long long)m*md) >> W); if(t >= md){ t -= md; } return t; } unsigned reduce(unsigned long long T){ unsigned m=(unsigned)T * mdninv, t=(unsigned)((T + (unsigned long long)m*md) >> W); if(t >= md){ t -= md; } return t; } unsigned get(){ return reduce(val); } mint &operator+=(mint a){ val += a.val; if(val >= md){ val -= md; } return *this; } mint &operator-=(mint a){ if(val < a.val){ val = val + md - a.val; } else{ val -= a.val; } return *this; } mint &operator*=(mint a){ val = reduce((unsigned long long)val*a.val); return *this; } mint &operator/=(mint a){ return *this *= a.inverse(); } mint operator+(mint a){ return mint(*this)+=a; } mint operator-(mint a){ return mint(*this)-=a; } mint operator*(mint a){ return mint(*this)*=a; } mint operator/(mint a){ return mint(*this)/=a; } mint operator+(int a){ return mint(*this)+=mint(a); } mint operator-(int a){ return mint(*this)-=mint(a); } mint operator*(int a){ return mint(*this)*=mint(a); } mint operator/(int a){ return mint(*this)/=mint(a); } mint operator+(long long a){ return mint(*this)+=mint(a); } mint operator-(long long a){ return mint(*this)-=mint(a); } mint operator*(long long a){ return mint(*this)*=mint(a); } mint operator/(long long a){ return mint(*this)/=mint(a); } mint operator-(void){ mint res; if(val){ res.val=md-val; } else{ res.val=0; } return res; } operator bool(void){ return val!=0; } operator int(void){ return get(); } operator long long(void){ return get(); } mint inverse(){ int a=val, b=md, t, u=1, v=0; mint res; while(b){ t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } if(u < 0){ u += md; } res.val = (unsigned long long)u*RR % md; return res; } mint pw(unsigned long long b){ mint a(*this), res; res.val = R; while(b){ if(b&1){ res *= a; } b >>= 1; a *= a; } return res; } bool operator==(int a){ return mulR(a)==val; } bool operator!=(int a){ return mulR(a)!=val; } } ; mint operator+(int a, mint b){ return mint(a)+=b; } mint operator-(int a, mint b){ return mint(a)-=b; } mint operator*(int a, mint b){ return mint(a)*=b; } mint operator/(int a, mint b){ return mint(a)/=b; } mint operator+(long long a, mint b){ return mint(a)+=b; } mint operator-(long long a, mint b){ return mint(a)-=b; } mint operator*(long long a, mint b){ return mint(a)*=b; } mint operator/(long long a, mint b){ return mint(a)/=b; } inline void rd(int &x){ int k, m=0; x=0; for(;;){ k = getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } inline void wt_L(char a){ putchar_unlocked(a); } inline void wt_L(int x){ char f[10]; int m=0, s=0; if(x<0){ m=1; x=-x; } while(x){ f[s++]=x%10; x/=10; } if(!s){ f[s++]=0; } if(m){ putchar_unlocked('-'); } while(s--){ putchar_unlocked(f[s]+'0'); } } inline void wt_L(mint x){ int i; i = (int)x; wt_L(i); } template<class T> struct Matrix{ T *dat; int c, mem, r; Matrix(){ r=c=mem = 0; } Matrix(const int rr, const int cc){ if(rr == 0 || cc == 0){ r = c = 0; } else{ r = rr; c = cc; } mem = r * c; if(mem > 0){ dat = new T[mem]; } } Matrix(const Matrix<T> &a){ int i; r = a.r; c = a.c; mem = r * c; dat = new T[mem]; for(i=0;i<mem;i++){ dat[i] = a.dat[i]; } } ~Matrix(){ if(mem){ delete [] dat; } } void changeSize(const int rr, const int cc){ if(rr==0 || cc==0){ r = c = 0; } else{ r = rr; c = cc; } if(mem < r*c){ if(mem){ delete [] dat; } mem = r*c; dat = new T[mem]; } } Matrix<T>& operator=(const Matrix<T> &a){ int i, j; r = a.r; c = a.c; mem = r * c; dat = new T[mem]; for(i=0;i<mem;i++){ dat[i] = a.dat[i]; } return *this; } Matrix<T>& operator=(const int a){ int i, j; j = r * c; for(i=0;i<j;i++){ dat[i] = 0; } j =min_L(r, c); for(i=0;i<j;i++){ dat[i*c+i] = a; } return *this; } Matrix<T>& operator+=(const Matrix<T> &a){ int i, j; if(r==0 || r!=a.r || c!=a.c){ changeSize(0,0); return *this; } j = r*c; for(i=0;i<j;i++){ dat[i] += a.dat[i]; } return *this; } Matrix<T> operator+(const Matrix<T> &a){ return Matrix<T>(*this) += a; } Matrix<T>& operator-=(const Matrix<T> &a){ int i, j; if(r==0 || r!=a.r || c!=a.c){ changeSize(0,0); return *this; } j = r*c; for(i=0;i<j;i++){ dat[i] -= a.dat[i]; } return *this; } Matrix<T> operator-(const Matrix<T> &a){ return Matrix<T>(*this) -= a; } Matrix<T>& operator*=(const Matrix<T> &a){ T *m; int i, j, k, x; if(r==0 || c!=a.r){ changeSize(0,0); return *this; } m = (T*)wmem; x = r * a.c; for(i=0;i<x;i++){ m[i] = 0; } for(i=0;i<r;i++){ for(k=0;k<c;k++){ for(j=0;j<a.c;j++){ m[i*a.c+j] += dat[i*c+k] * a.dat[k*a.c+j]; } } } changeSize(r, a.c); for(i=0;i<x;i++){ dat[i] = m[i]; } return *this; } Matrix<T> operator*(const Matrix<T> &a){ return Matrix<T>(*this) *= a; } Matrix<T>& operator*=(const int a){ int i, j; j = r * c; for(i=0;i<j;i++){ dat[i] *= a; } return *this; } Matrix<T>& operator*=(const long long a){ int i, j; j = r * c; for(i=0;i<j;i++){ dat[i] *= a; } return *this; } Matrix<T>& operator*=(const double a){ int i, j; j = r * c; for(i=0;i<j;i++){ dat[i] *= a; } return *this; } inline T* operator[](const int a){ return dat+a*c; } } ; template<class T> Matrix<T> operator*(const int a, const Matrix<T> &b){ return Matrix<T>(b)*=a; } template<class T> Matrix<T> operator*(const Matrix<T> &b, const int a){ return Matrix<T>(b)*=a; } template<class T> Matrix<T> operator*(const long long a, const Matrix<T> &b){ return Matrix<T>(b)*=a; } template<class T> Matrix<T> operator*(const Matrix<T> &b, const long long a){ return Matrix<T>(b)*=a; } template<class T> Matrix<T> operator*(const double a, const Matrix<T> &b){ return Matrix<T>(b)*=a; } template<class T> Matrix<T> operator*(const Matrix<T> &b, const double a){ return Matrix<T>(b)*=a; } template<class T, class S> inline Matrix<T> pow_L(Matrix<T> a, S b){ Matrix<T> res; int i, j; res.changeSize(a.r, a.c); res = 1; while(b){ if(b&1){ res *= a; } b >>= 1; a *= a; } return res; } template<class T> inline T pow3_L(T a){ return a*a*a; } char memarr[96000000]; unsigned mint::R, mint::RR, mint::Rinv, mint::W, mint::md, mint::mdninv; #define MD 998244353 int N; int K; int main(){ Matrix<mint> m; int i, j, k, x; mint res; wmem = memarr; { mint x; x.setmod(MD); } rd(N); rd(K); m.changeSize(pow3_L(K),pow3_L(K)); m = 0; for(i=0;i<K;i++){ for(j=0;j<K;j++){ for(k=0;k<K;k++){ x =(((((i)*(K))+(j))*(K))+(k)); m[x][(((((i)*(K))+(j))*(K))+((k+1)%K))] += 1; m[x][(((((i)*(K))+((j+k)%K))*(K))+(k))] += 1; m[x][((((((i+j)%K)*(K))+(j))*(K))+(k))] += 1; } } } (m = pow_L(m,N)); res = 0; for(j=0;j<K;j++){ for(k=0;k<K;k++){ res += m[0][(((((0)*(K))+(j))*(K))+(k))]; } } wt_L(res); wt_L('\n'); return 0; } // cLay varsion 20190626-1 // --- original code --- // #define MD 998244353 // int N, K; // { // int i, j, k, x; // mint res; // Matrix<mint> m; // // rd(N,K); // m.changeSize(K**3, K**3); // m = 0; // rep(i,K) rep(j,K) rep(k,K){ // x = b[K](i,j,k); // m[x][ b[K](i,j,(k+1)%K) ] += 1; // m[x][ b[K](i,(j+k)%K,k) ] += 1; // m[x][ b[K]((i+j)%K,j,k) ] += 1; // } // m **= N; // // res = 0; // rep(j,K) rep(k,K) res += m[0][ b[K](0,j,k) ]; // wt(res); // }