Cod sursa(job #1651463)

Utilizator deliricnagisa deliric Data 13 martie 2016 13:31:20
Problema 12-Perm Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream f("12perm.in");
ofstream g("12perm.out");
int i,a=2,b=6,c=12,d,n;
int main()
{
    f>>n;
    for(i=5;i<=n;++i)
    {
        d=c;
        c=((c+a+2*(i-2))&((1<<20)-1));
        a=b;
        b=d;
    }
    g<<c;
    return 0;
}