Pagini recente » Borderou de evaluare (job #554306) | Cod sursa (job #2025316) | Borderou de evaluare (job #2706605) | Borderou de evaluare (job #1938771) | Cod sursa (job #970778)
Cod sursa(job #970778)
#include<stdio.h>
char v[100000];
int main()
{
FILE *fin,*fout;
fin=fopen("grigo.in","r");
fout=fopen("grigo.out","w");
int n,m;
fscanf(fin,"%d%d",&n,&m);
int i;
for(i=0;i<m;i++)
{
int x;
fscanf(fin,"%d",&x);
v[x]=1;
}
long long sol=1;
for(i=2;i<=n;i++)
if(v[i]==0)
{
sol*=i-1;
sol%=1000003;
}
fprintf(fout,"%lld",sol);
return 0;
}