Cod sursa(job #288014)

Utilizator tibiletsKoos Tiberiu Iosif tibilets Data 25 martie 2009 14:22:08
Problema Grigo Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.24 kb
Raporteaza aceasta sursa 
#include<fstream.h>
ifstream f("grigo.in");
ofstream g("grigo.out");
int i,a[100001],m,n,j;
long long p=1;
int main()
{f>>n>>m;
for(i=1;i<=m;i++)
{f>>j;
 a[j-1]=1;}
for(i=1;i<n;i++)
 if(a[i]==0)
  p=(p*i)%1000003;
g<<p;
return 0;
}