結果
問題 | No.856 増える演算 |
ユーザー | LayCurse |
提出日時 | 2019-07-26 23:27:28 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 14,283 bytes |
コンパイル時間 | 2,422 ms |
コンパイル使用メモリ | 211,408 KB |
実行使用メモリ | 23,040 KB |
最終ジャッジ日時 | 2024-07-02 09:56:38 |
合計ジャッジ時間 | 9,570 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 |
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testcase_00 | AC | 23 ms
22,388 KB |
testcase_01 | AC | 22 ms
15,564 KB |
testcase_02 | AC | 23 ms
16,332 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | AC | 22 ms
14,928 KB |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | AC | 22 ms
14,924 KB |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 24 ms
15,052 KB |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | TLE | - |
testcase_54 | -- | - |
testcase_55 | -- | - |
testcase_56 | -- | - |
testcase_57 | -- | - |
testcase_58 | -- | - |
testcase_59 | -- | - |
testcase_60 | -- | - |
testcase_61 | -- | - |
testcase_62 | -- | - |
testcase_63 | -- | - |
testcase_64 | -- | - |
testcase_65 | -- | - |
testcase_66 | -- | - |
testcase_67 | -- | - |
testcase_68 | -- | - |
testcase_69 | -- | - |
testcase_70 | -- | - |
testcase_71 | -- | - |
testcase_72 | -- | - |
testcase_73 | -- | - |
testcase_74 | -- | - |
testcase_75 | -- | - |
testcase_76 | -- | - |
testcase_77 | -- | - |
testcase_78 | -- | - |
testcase_79 | -- | - |
testcase_80 | -- | - |
testcase_81 | -- | - |
testcase_82 | -- | - |
コンパイルメッセージ
In member function 'mint mint::inverse()', inlined from 'mint& mint::operator/=(mint)' at main.cpp:160:31, inlined from 'int main()' at main.cpp:626:10: main.cpp:218:11: warning: 'tmp.mint::val' may be used uninitialized [-Wmaybe-uninitialized] 218 | int a=val, b=md, t, u=1, v=0; | ^~~ main.cpp: In function 'int main()': main.cpp:579:13: note: 'tmp.mint::val' was declared here 579 | mint res, tmp; | ^~~
ソースコード
#include<bits/stdc++.h> using namespace std; #define MD 1000000007 void *wmem; template<class S, class T> inline S min_L(S a,T b){ return a<=b?a:b; } template<class S, class T> inline S max_L(S a,T b){ return a>=b?a:b; } template<class T> void walloc1d(T **arr, int x, void **mem = &wmem){ (*arr)=(T*)(*mem); (*mem)=((*arr)+x); } 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, class S> inline T pow_L(T a, S b){ T res=1; res = 1; while(b){ if(b&1){ res *= a; } b >>= 1; a *= a; } return res; } char memarr[96000000]; unsigned mint::R, mint::RR, mint::Rinv, mint::W, mint::md, mint::mdninv; #define PI 3.141592653589793238462 struct pnt{ double x, y; static double eps; pnt(void){ } pnt(double a,double b){ x=a; y=b; } void set(double a,double b){ x=a; y=b; } pnt&operator+=(pnt a){ x+=a.x; y+=a.y; return*this; } pnt&operator-=(pnt a){ x-=a.x; y-=a.y; return*this; } pnt&operator*=(pnt a){ pnt p=*this; x=p.x*a.x-p.y*a.y; y=p.x*a.y+p.y*a.x; return*this; } pnt operator+(pnt a){ return pnt(*this)+=a; } pnt operator-(pnt a){ return pnt(*this)-=a; } pnt operator*(pnt a){ return pnt(*this)*=a; } } ; double pnt::eps = 1e-10; unsigned long long pw(unsigned long long a, unsigned long long b, unsigned long long m){ unsigned long long r=1; while(b){ if(b&1){ r=r*a%m; } b>>=1; a=a*a%m; } return r; } 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 fft(int n, pnt x[], void *mem){ double p, t=2*PI/n; int I, J, K, i, j, s=1; pnt A, B, C, D, a, b, c, d, u, v, w, *y=(pnt*)mem; while(n>2){ I=n/4; J=I+I; K=I+J; for(i=0;i<I;i++){ w=pnt(cos(i*t),-sin(i*t)); v=w*w; u=w*v; for(j=0;j<s;j++){ a=x[j+s*i]; b=x[j+s*(i+I)]; c=x[j+s*(i+J)]; d=x[j+s*(i+K)]; A=a+c; B=a-c; C=b+d; D=b-d; p=D.y; D.y=D.x; D.x=-p; y[j+s*4*i]=A+C; y[j+s*(4*i+1)]=w*(B-D); y[j+s*(4*i+2)]=v*(A-C); y[j+s*(4*i+3)]=u*(B+D); } } n/=4; s*=4; t*=4; swap(x,y); } if(n==2){ for(i=0;i<s;i++){ y[i]=x[i]+x[i+s]; y[i+s]=x[i]-x[i+s]; } n/=2; s*=2; t*=2; swap(x,y); } for(i=0;i<s;i++){ y[i]=x[i]; } } void fftinv(int n, pnt x[], void *mem){ double p, t=2*PI/n; int I, J, K, i, j, s=1; pnt A, B, C, D, a, b, c, d, u, v, w, *y=(pnt*)mem; while(n>2){ I=n/4; J=I+I; K=I+J; for(i=0;i<I;i++){ w=pnt(cos(i*t),sin(i*t)); v=w*w; u=w*v; for(j=0;j<s;j++){ a=x[j+s*i]; b=x[j+s*(i+I)]; c=x[j+s*(i+J)]; d=x[j+s*(i+K)]; A=a+c; B=a-c; C=b+d; D=b-d; p=D.y; D.y=D.x; D.x=-p; y[j+s*4*i]=A+C; y[j+s*(4*i+1)]=w*(B+D); y[j+s*(4*i+2)]=v*(A-C); y[j+s*(4*i+3)]=u*(B-D); } } n/=4; s*=4; t*=4; swap(x,y); } if(n==2){ for(i=0;i<s;i++){ y[i]=x[i]+x[i+s]; y[i+s]=x[i]-x[i+s]; } n/=2; s*=2; t*=2; swap(x,y); } for(i=0;i<s;i++){ y[i]=x[i]; } } void convolution(double A[], int As, double B[], int Bs, double res[], int Rs, void *mem){ double m; int i, k, n; pnt *a, *b; n=max_L(As+Bs, Rs); for(k=1;k<n;k*=2){ ; } a=(pnt*)mem; b=a+k; mem=b+k; for(i=0;i<As;i++){ a[i].set(A[i],0); } for(i=As;i<k;i++){ a[i].set(0,0); } for(i=0;i<Bs;i++){ b[i].set(B[i],0); } for(i=Bs;i<k;i++){ b[i].set(0,0); } fft(k,a,mem); fft(k,b,mem); for(i=0;i<k;i++){ a[i]*=b[i]; } fftinv(k,a,mem); m=1.0/k; for(i=0;i<Rs;i++){ res[i]=a[i].x*m; } } void convolution(double A[], int As, double res[], int Rs, void *mem){ double m; int i, k, n; pnt *a; n=max_L(As+As, Rs); for(k=1;k<n;k*=2){ ; } a=(pnt*)mem; mem=a+k; for(i=0;i<As;i++){ a[i].set(A[i],0); } for(i=As;i<k;i++){ a[i].set(0,0); } fft(k,a,mem); for(i=0;i<k;i++){ a[i]*=a[i]; } fftinv(k,a,mem); m=1.0/k; for(i=0;i<Rs;i++){ res[i]=a[i].x*m; } } int N; int A[100000]; double c[100001]; double cnv[200001]; int s[100001]; int mn[100001]; int main(){ double dmin, dtmp; int *ddd, i, j, k; mint res, tmp; wmem = memarr; { mint x; x.setmod(MD); } walloc1d(&ddd,1); rd(N); { int Q5VJL1cS; for(Q5VJL1cS=0;Q5VJL1cS<N;Q5VJL1cS++){ rd(A[Q5VJL1cS]); } } res = 1; for(i=0;i<N;i++){ c[A[i]]++; } convolution(c, 100001, cnv, 200001, wmem); for(i=0;i<N;i++){ cnv[2*A[i]]--; } for(i=0;i<200001;i++){ k = (int)(cnv[i]/2 + 0.5); if(k){ res *= (pow_L(mint(i),k)); } } for(i=N-1;i>=0;i--){ s[i] = s[i+1] + A[i]; } for(i=0;i<N;i++){ res *= (pow_L(mint(A[i]),s[i+1])); } mn[N] = 1073709056; for(i=N-1;i>=0;i--){ mn[i] =min_L(mn[i+1], A[i]); } dmin = 1e300; for(i=N-2;i>=0;i--){ dtmp = log(A[i] + mn[i+1]) + log(A[i]) * mn[i+1]; if(dtmp < dmin){ dtmp = dmin; tmp = A[i] + mn[i+1]; tmp *=pow_L(mint(A[i]),mn[i+1]); } } res /= tmp; wt_L(res); wt_L('\n'); return 0; } // cLay varsion 20190721-1 // --- original code --- // #define PI 3.141592653589793238462 // struct pnt{double x,y;static double eps;pnt(void){}pnt(double a,double b){x=a;y=b;}void set(double a,double b){x=a;y=b;}pnt&operator+=(pnt a){x+=a.x;y+=a.y;return*this;}pnt&operator-=(pnt a){x-=a.x;y-=a.y;return*this;}pnt&operator*=(pnt a){pnt p=*this;x=p.x*a.x-p.y*a.y;y=p.x*a.y+p.y*a.x;return*this;}pnt operator+(pnt a){return pnt(*this)+=a;}pnt operator-(pnt a){return pnt(*this)-=a;}pnt operator*(pnt a){return pnt(*this)*=a;}}; // double pnt::eps = 1e-10; // // ull pw(ull a, ull b, ull m){ull r=1;while(b){if(b&1)r=r*a%m;b>>=1;a=a*a%m;}return r;} // int get_inv(ll a, int md){ll t=a,s=md,u=1,v=0,e;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 fft(int n, pnt x[], void *mem){int i,j,I,J,K,s=1;double t=2*PI/n,p;pnt w,v,u,a,b,c,d,A,B,C,D,*y=(pnt*)mem;while(n>2){I=n/4;J=I+I;K=I+J;rep(i,I){w=pnt(cos(i*t),-sin(i*t));v=w*w;u=w*v;rep(j,s)a=x[j+s*i],b=x[j+s*(i+I)],c=x[j+s*(i+J)],d=x[j+s*(i+K)],A=a+c,B=a-c,C=b+d,D=b-d,p=D.y,D.y=D.x,D.x=-p,y[j+s*4*i]=A+C,y[j+s*(4*i+1)]=w*(B-D),y[j+s*(4*i+2)]=v*(A-C),y[j+s*(4*i+3)]=u*(B+D);}n/=4;s*=4;t*=4;swap(x,y);}if(n==2){rep(i,s)y[i]=x[i]+x[i+s],y[i+s]=x[i]-x[i+s];n/=2;s*=2;t*=2;swap(x,y);}rep(i,s)y[i]=x[i];} // void fftinv(int n, pnt x[], void *mem){int i,j,I,J,K,s=1;double t=2*PI/n,p;pnt w,v,u,a,b,c,d,A,B,C,D,*y=(pnt*)mem;while(n>2){I=n/4;J=I+I;K=I+J;rep(i,I){w=pnt(cos(i*t),sin(i*t));v=w*w;u=w*v;rep(j,s)a=x[j+s*i],b=x[j+s*(i+I)],c=x[j+s*(i+J)],d=x[j+s*(i+K)],A=a+c,B=a-c,C=b+d,D=b-d,p=D.y,D.y=D.x,D.x=-p,y[j+s*4*i]=A+C,y[j+s*(4*i+1)]=w*(B+D),y[j+s*(4*i+2)]=v*(A-C),y[j+s*(4*i+3)]=u*(B-D);}n/=4;s*=4;t*=4;swap(x,y);}if(n==2){rep(i,s)y[i]=x[i]+x[i+s],y[i+s]=x[i]-x[i+s];n/=2;s*=2;t*=2;swap(x,y);}rep(i,s)y[i]=x[i];} // void convolution(double A[], int As, double B[], int Bs, double res[], int Rs, void *mem){int i,n,k;double m;pnt*a,*b;n=max(As+Bs,Rs);for(k=1;k<n;k*=2);a=(pnt*)mem;b=a+k;mem=b+k;rep(i,As)a[i].set(A[i],0);REP(i,As,k)a[i].set(0,0);rep(i,Bs)b[i].set(B[i],0);REP(i,Bs,k)b[i].set(0,0);fft(k,a,mem);fft(k,b,mem);rep(i,k)a[i]*=b[i];fftinv(k,a,mem);m=1.0/k;rep(i,Rs)res[i]=a[i].x*m;} // void convolution(double A[], int As, double res[], int Rs, void *mem){int i,n,k;double m;pnt*a;n=max(As+As,Rs);for(k=1;k<n;k*=2);a=(pnt*)mem;mem=a+k;rep(i,As)a[i].set(A[i],0);REP(i,As,k)a[i].set(0,0);fft(k,a,mem);rep(i,k)a[i]*=a[i];fftinv(k,a,mem);m=1.0/k;rep(i,Rs)res[i]=a[i].x*m;} // // // int N, A[1d5]; // // double c[100001], cnv[200001]; // int s[100001]; // int mn[100001]; // { // int i, j, k; // mint res, tmp; // double dmin, dtmp; // int *ddd; // // walloc1d(&ddd,1); // // rd(N,A(N)); // // res = 1; // // rep(i,N) c[A[i]]++; // convolution(c, 100001, cnv, 200001, wmem); // rep(i,N) cnv[2A[i]]--; // // rep(i,200001){ // k = (int)(cnv[i]/2 + 0.5); // if(k) res *= (mint(i) ** k); // } // // for(i=N-1;i>=0;i--) s[i] = s[i+1] + A[i]; // rep(i,N) res *= (mint(A[i]) ** s[i+1]); // // mn[N] = int_inf; // for(i=N-1;i>=0;i--) mn[i] = min(mn[i+1], A[i]); // // dmin = 1e300; // for(i=N-2;i>=0;i--){ // dtmp = log(A[i] + mn[i+1]) + log(A[i]) * mn[i+1]; // if(dtmp < dmin){ // dtmp = dmin; // tmp = A[i] + mn[i+1]; // tmp *= mint(A[i]) ** mn[i+1]; // } // } // // res /= tmp; // // wt(res); // }