Cod sursa(job #2096089)
Utilizator | Data | 28 decembrie 2017 15:59:45 | |
---|---|---|---|
Problema | Sortari2 | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include <fstream>
using namespace std;
ifstream f("sortari2.in");
ofstream g("sortari2.out");
int n,k,i,v[2005];
int main()
{
f>>n;
k=1;
for(i=1;i<=n;++i) k=(k*i)%999017;
v[1]=v[2]=1;
for(i=3;i<=2*n-1;++i) v[i]=(v[i-1]+v[i-2])%999017;
if(k-v[2*n-1]<0) g<<k-v[2*n-1]+999017;
else g<<k-v[2*n-1];
}