Cod sursa(job #109183)

Utilizator RobytzzaIonescu Robert Marius Robytzza Data 24 noiembrie 2007 21:23:46
Problema 12-Perm Scor 60
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream.h>
//using namespace std;
int main(){
ifstream fin("12perm.in");
ofstream fout("12perm.out");
long long N;
long long b=2,c=6,d=12,MAX=1048576,k=20;
fin>>N;
for (long long i=5;i<=N;i++){
    long long aux=d;
    d=(d+b+2*(i-2));
    b=c;
    c=aux%MAX;}
fout<<d%MAX;
fout<<"\n";
fin.close();
fout.close();
return 0;
}