Cod sursa(job #569570)
Utilizator | Data | 1 aprilie 2011 18:43:52 | |
---|---|---|---|
Problema | Grigo | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.26 kb |
#include<fstream>
using namespace std;
long long v[131075],n,val,ras=1,i;
int main()
{ifstream q("grigo.in");
ofstream w("grigo.out");
q>>n>>val;
while(q>>val)
v[val]=1;
for(;n--;++i)
if(!v[i+1])
ras=ras*i%1000003;
w<<ras%1000003;
return 0;}