Cod sursa(job #660835)
| Utilizator |  Paul Pop PaulPop |
Data | 13 ianuarie 2012 13:41:55 |
|---|---|---|---|
| Problema | Grigo | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.31 kb |
#include<fstream>
using namespace std;
long long N, M , i, x, P=1;
bool a[1000001];
int main()
{
ifstream f("grigo.in");
ofstream g("grigo.out");
f>>N>>M;
for(i=1;i<=M;i++)
{
f>>x;
a[x]=1;
}
f.close();
for(i=0;i<N;i++)
if(a[i+1]==0)
P=P*(i)%1000003;
g<<P<<"\n";
g.close();
return 0;
}
