Cod sursa(job #914301)

Utilizator classiusCobuz Andrei classius Data 14 martie 2013 00:48:17
Problema 12-Perm Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.36 kb
Raporteaza aceasta sursa 
#include <fstream>
#define md 1048576

using namespace std;

ifstream f("12perm.in");
ofstream g("12perm.out");

long long n,t2,t3,t1,i,aux;

int main()
{
    f>>n;
    t1=2;
    t2=6;
    t3=12;
    for(i=5;i<=n;i++)
    {
        aux=(t3+t1+2*(i-2))&md;
        t1=t2;
        t2=t3;
        t3=aux;
    }
    g<<t3;


    return 0;
}