Cod sursa(job #295701)

Utilizator andreivFMI - vacaroiu andrei andreiv Data 3 aprilie 2009 17:00:48
Problema Grigo Scor 50
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <stdio.h>
int main()
{ long int x,n,m,i,ok[100005];

freopen("grigo.in","r",stdin);
freopen("grigo.out","w",stdout);
scanf("%ld %ld",&n,&m);
for (i=1;i<=n;i++) ok[i]=0;scanf("/n");
for  (i=1;i<=m;i++) {scanf("%ld",&x);ok[x]=1;}
x=1;
for (i=1;i<=n;i++) if (!ok[i]) x=(x*(i-1))%1000003;
printf("%ld",x);

	return 0;}