Cod sursa(job #122614)

Utilizator RobytzzaIonescu Robert Marius Robytzza Data 13 ianuarie 2008 09:47:50
Problema 12-Perm Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream.h>
//using namespace std;
int main(){
ifstream fin("12perm.in");
ofstream fout("12perm.out");
long N;
long b=2,c=6,d=12,k=20;
fin>>N;
for (int i=5;i<=N;i++){
    long aux=d;
    d=(d+b+2*(i-2));
    b=c;
    c=aux &((2^k)-1);}
fout<<d & ((2^k)-1);
fout<<"\n";
fin.close();
fout.close();
return 0;
}