結果
| 問題 |
No.1632 Sorting Integers (GCD of M)
|
| コンテスト | |
| ユーザー |
mugen_1337
|
| 提出日時 | 2021-07-30 21:10:29 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,117 bytes |
| コンパイル時間 | 1,873 ms |
| コンパイル使用メモリ | 196,852 KB |
| 最終ジャッジ日時 | 2025-01-23 10:57:08 |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 42 WA * 17 |
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
#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++){
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;
}
mugen_1337