Cod sursa(job #2075481)
Utilizator | Verde Flaviu-Cristian verde.cristian2005 | Data | 25 noiembrie 2017 14:32:34 |
---|---|---|---|
Problema | Grigo | Scor | 50 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.4 kb |
#include <fstream>
using namespace std;
ifstream in("grigo.in");
ofstream out("grigo.out");
const int MOD=1000003;
int v[100001];
int main()
{
int n,m,i,x,s=1;
in>>n>>m;
for(i=1;i<=m;i++)
{
in>>x;
v[x-1]=1;
}
for(i=1;i<n;i++)
{
if(v[i]==0)
s=s*i%MOD;
}
out<<s;
return 0;
}