Cod sursa(job #2182537)

Utilizator mariastStoichitescu Maria mariast Data 22 martie 2018 14:15:50
Problema Grigo Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream>

using namespace std;

ifstream f("grigo.in");
ofstream g("grigo.out");
long long n,m,x;
bool viz[100100];
int main()
{
    f>>n>>m;
    for(int i=1;i<=m;++i){
        f>>x;
        viz[x]=1;
    }
    x=1;
    for(int i=2;i<=n;++i){
        if(!viz[i]==1) x*=(i-1);
        x%=1000003;
    }
    g<<x;


}