結果

問題 No.1632 Sorting Integers (GCD of M)
ユーザー mugen_1337mugen_1337
提出日時 2021-07-30 21:12:02
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 3,124 bytes
コンパイル時間 1,862 ms
コンパイル使用メモリ 197,552 KB
最終ジャッジ日時 2025-01-23 10:58:48
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 4
other AC * 50 WA * 9
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:95:45: warning: ‘x’ may be used uninitialized [-Wmaybe-uninitialized]
   95 |         mint ans=mint(x) * (mint(10).pow(C[x])-1) * mint(9).inverse();
      |                                             ^
main.cpp:93:13: note: ‘x’ was declared here
   93 |         int x;
      |             ^

ソースコード

diff #

#include"bits/stdc++.h"
using namespace std;
#define ALL(x) begin(x),end(x)
#define rep(i,n) for(int i=0;i<(n);i++)
#define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl;
#define mod 998244353
using ll=long long;
const int INF=1000000000;
const ll LINF=1001002003004005006ll;
int dx[]={1,0,-1,0},dy[]={0,1,0,-1};
template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;}
template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return true;}return false;}

struct IOSetup{
    IOSetup(){
        cin.tie(0);
        ios::sync_with_stdio(0);
        cout<<fixed<<setprecision(12);
    }
} iosetup;
 
template<typename T>
ostream &operator<<(ostream &os,const vector<T>&v){
    for(int i=0;i<(int)v.size();i++) os<<v[i]<<(i+1==(int)v.size()?"":" ");
    return os;
}
template<typename T>
istream &operator>>(istream &is,vector<T>&v){
    for(T &x:v)is>>x;
    return is;
}

template<ll Mod>
struct ModInt{
    long long x;
    ModInt():x(0){}
    ModInt(long long y):x(y>=0?y%Mod:(Mod-(-y)%Mod)%Mod){}
    ModInt &operator+=(const ModInt &p){
        if((x+=p.x)>=Mod) x-=Mod;
        return *this;
    }
    ModInt &operator-=(const ModInt &p){
        if((x+=Mod-p.x)>=Mod)x-=Mod;
        return *this;
    }
    ModInt &operator*=(const ModInt &p){
        x=(int)(1ll*x*p.x%Mod);
        return *this;
    }
    ModInt &operator/=(const ModInt &p){
        (*this)*=p.inverse();
        return *this;
    }
    ModInt operator-()const{return ModInt(-x);}
    ModInt operator+(const ModInt &p)const{return ModInt(*this)+=p;}
    ModInt operator-(const ModInt &p)const{return ModInt(*this)-=p;}
    ModInt operator*(const ModInt &p)const{return ModInt(*this)*=p;}
    ModInt operator/(const ModInt &p)const{return ModInt(*this)/=p;}
    bool operator==(const ModInt &p)const{return x==p.x;}
    bool operator!=(const ModInt &p)const{return x!=p.x;}
    ModInt inverse()const{
        int a=x,b=Mod,u=1,v=0,t;
        while(b>0){
            t=a/b;
            swap(a-=t*b,b);swap(u-=t*v,v);
        }
        return ModInt(u);
    }
    ModInt pow(long long n)const{
        ModInt ret(1),mul(x);
        while(n>0){
            if(n&1) ret*=mul;
            mul*=mul;n>>=1;
        }
        return ret;
    }
    friend ostream &operator<<(ostream &os,const ModInt &p){return os<<p.x;}
    friend istream &operator>>(istream &is,ModInt &a){long long t;is>>t;a=ModInt<Mod>(t);return (is);}
    static int get_mod(){return Mod;}
};

using mint = ModInt<1000000007>;

signed main(){
    ll S;cin>>S;
    vector<ll> C(10,0);
    rep(i,9) cin>>C[i+1];

    int T=0;
    rep(i,10)if(C[i]) T++;

    if(T==1){
        int x;
        rep(i,10)if(C[i]) x=i;
        mint ans=mint(x) * (mint(10).pow(C[x])-1) * mint(9).inverse();
        cout<<ans<<endl;
        return 0;
    }

    ll res=1;
    for(int i=2;i<10;i++)if(i%3){
        bool f=true;
        rep(j,10)if(j%i and C[j]) f=false;
        if(f) res = i;
    }

    ll tot=0;
    rep(i,10) tot+=C[i]*i;

    ll mul=1;
    for(ll x=3;x<=tot;x*=3){
        if(tot%x==0) mul=x;
    }

    cout<<mint(res*mul)<<endl;
    return 0;
}
0