結果
問題 | No.1085 桁和の桁和 |
ユーザー |
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提出日時 | 2020-06-19 21:52:30 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 23 ms / 2,000 ms |
コード長 | 6,704 bytes |
コンパイル時間 | 3,429 ms |
コンパイル使用メモリ | 213,920 KB |
最終ジャッジ日時 | 2025-01-11 06:07:48 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 35 |
ソースコード
#pragma GCC optimize ("Ofast")#include<bits/stdc++.h>using namespace std;#define MD (1000000007U)struct Modint{unsigned val;Modint(){val=0;}Modint(int a){val = ord(a);}Modint(unsigned a){val = ord(a);}Modint(long long a){val = ord(a);}Modint(unsigned long long a){val = ord(a);}inline unsigned ord(unsigned a){return a%MD;}inline unsigned ord(int a){a %= (int)MD;if(a < 0){a += MD;}return a;}inline unsigned ord(unsigned long long a){return a%MD;}inline unsigned ord(long long a){a %= (int)MD;if(a < 0){a += MD;}return a;}inline unsigned get(){return val;}inline Modint &operator+=(Modint a){val += a.val;if(val >= MD){val -= MD;}return *this;}inline Modint &operator-=(Modint a){if(val < a.val){val = val + MD - a.val;}else{val -= a.val;}return *this;}inline Modint &operator*=(Modint a){val = ((unsigned long long)val*a.val)%MD;return *this;}inline Modint &operator/=(Modint a){return *this *= a.inverse();}inline Modint operator+(Modint a){return Modint(*this)+=a;}inline Modint operator-(Modint a){return Modint(*this)-=a;}inline Modint operator*(Modint a){return Modint(*this)*=a;}inline Modint operator/(Modint a){return Modint(*this)/=a;}inline Modint operator+(int a){return Modint(*this)+=Modint(a);}inline Modint operator-(int a){return Modint(*this)-=Modint(a);}inline Modint operator*(int a){return Modint(*this)*=Modint(a);}inline Modint operator/(int a){return Modint(*this)/=Modint(a);}inline Modint operator+(long long a){return Modint(*this)+=Modint(a);}inline Modint operator-(long long a){return Modint(*this)-=Modint(a);}inline Modint operator*(long long a){return Modint(*this)*=Modint(a);}inline Modint operator/(long long a){return Modint(*this)/=Modint(a);}inline Modint operator-(void){Modint res;if(val){res.val=MD-val;}else{res.val=0;}return res;}inline operator bool(void){return val!=0;}inline operator int(void){return get();}inline operator long long(void){return get();}inline Modint inverse(){int a = val;int b = MD;int u = 1;int v = 0;int t;Modint 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 = u;return res;}inline Modint pw(unsigned long long b){Modint a(*this);Modint res;res.val = 1;while(b){if(b&1){res *= a;}b >>= 1;a *= a;}return res;}inline bool operator==(int a){return ord(a)==val;}inline bool operator!=(int a){return ord(a)!=val;}};inline Modint operator+(int a, Modint b){return Modint(a)+=b;}inline Modint operator-(int a, Modint b){return Modint(a)-=b;}inline Modint operator*(int a, Modint b){return Modint(a)*=b;}inline Modint operator/(int a, Modint b){return Modint(a)/=b;}inline Modint operator+(long long a, Modint b){return Modint(a)+=b;}inline Modint operator-(long long a, Modint b){return Modint(a)-=b;}inline Modint operator*(long long a, Modint b){return Modint(a)*=b;}inline Modint operator/(long long a, Modint b){return Modint(a)/=b;}inline int my_getchar_unlocked(){static char buf[1048576];static int s = 1048576;static int e = 1048576;if(s == e && e == 1048576){e = fread_unlocked(buf, 1, 1048576, stdin);s = 0;}if(s == e){return EOF;}return buf[s++];}inline void rd(int &x){int k;int m=0;x=0;for(;;){k = my_getchar_unlocked();if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){x=k-'0';break;}}for(;;){k = my_getchar_unlocked();if(k<'0'||k>'9'){break;}x=x*10+k-'0';}if(m){x=-x;}}inline void rd(char &c){int i;for(;;){i = my_getchar_unlocked();if(i!=' '&&i!='\n'&&i!='\r'&&i!='\t'&&i!=EOF){break;}}c = i;}inline int rd(char c[]){int i;int sz = 0;for(;;){i = my_getchar_unlocked();if(i!=' '&&i!='\n'&&i!='\r'&&i!='\t'&&i!=EOF){break;}}c[sz++] = i;for(;;){i = my_getchar_unlocked();if(i==' '||i=='\n'||i=='\r'||i=='\t'||i==EOF){break;}c[sz++] = i;}c[sz]='\0';return sz;}struct MY_WRITER{char buf[1048576];int s;int e;MY_WRITER(){s = 0;e = 1048576;}~MY_WRITER(){if(s){fwrite_unlocked(buf, 1, s, stdout);}}};MY_WRITER MY_WRITER_VAR;void my_putchar_unlocked(int a){if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout);MY_WRITER_VAR.s = 0;}MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a;}inline void wt_L(char a){my_putchar_unlocked(a);}inline void wt_L(int x){int s=0;int m=0;char f[10];if(x<0){m=1;x=-x;}while(x){f[s++]=x%10;x/=10;}if(!s){f[s++]=0;}if(m){my_putchar_unlocked('-');}while(s--){my_putchar_unlocked(f[s]+'0');}}inline void wt_L(Modint x){int i;i = (int)x;wt_L(i);}int N;int D;char T[100000+2];Modint dp[10];Modint nx[10];int main(){int i;int allzero = 1;N = rd(T);rd(D);for(i=(0);i<(N);i++){if(T[i]!='0' && T[i]!='?'){allzero = 0;}}if(D==0){wt_L(allzero);wt_L('\n');return 0;}D %= 9;dp[0] = 1;for(i=(0);i<(N);i++){int j;for(j=(0);j<(9);j++){nx[j] = 0;}for(j=(0);j<(10);j++){if(T[i]=='?' || T[i]=='0'+j){int k;for(k=(0);k<(9);k++){nx[(k+j)%9] += dp[k];}}}for(j=(0);j<(9);j++){dp[j] = nx[j];}}if(D==0){wt_L(dp[D]-allzero);wt_L('\n');}else{wt_L(dp[D]-0);wt_L('\n');}return 0;}// cLay varsion 20200509-1// --- original code ---// int N, D;// char T[1d5+2];// Modint dp[10], nx[10];// {// int allzero = 1;// rd(T@N,D);//// rep(i,N) if(T[i]!='0' && T[i]!='?') allzero = 0;//// if(D==0) wt(allzero), return 0;// D %= 9;//// dp[0] = 1;// rep(i,N){// rep(j,9) nx[j] = 0;// rep(j,10) if(T[i]=='?' || T[i]=='0'+j) rep(k,9){// nx[(k+j)%9] += dp[k];// }// rep(j,9) dp[j] = nx[j];// }// wt(dp[D]-if[D==0,allzero,0]);// }