Cod sursa(job #732210)

Utilizator BarracudaFMI-Alex Dobrin Barracuda Data 9 aprilie 2012 21:54:39
Problema Grigo Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream>
#define mod 1000003
#define dim 100007
using namespace std;
ifstream f("grigo.in");
ofstream g("grigo.out");
bool viz[dim];
int n,m,i,x;
long long NR;
int main (){
	
	f>>n>>m;
	for(;m;m--){
		f>>x;
		viz[x]=1;
	}
	NR=1;
	for(i=2;i<=n;i++)
		if(!viz[i])
			NR=(long long )NR*(i-1)%mod;
	g<<NR<<"\n";
	return 0;
}