Cod sursa(job #1179791)

Utilizator VladTiberiuMihailescu Vlad Tiberiu VladTiberiu Data 29 aprilie 2014 12:27:33
Problema Sum Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.54 kb

#include <fstream>

using namespace std;
ifstream f("sum.in");
ofstream g("sum.out");

long s,n,i,j,a[320],k,x,y,r;
int main()
{

    f>>n;
    for(i=1;i<=n;i++) f>>a[i];
    for(i=1;i<=n;i++)
    {   s=0;
        for(j=1;j<=2*a[i];j++)
        {
            x=j;
            y=a[i];
            r=x%y;
            while(r!=0)
            {
                x=y;
                y=r;
                r=x%y;
            }
            if(y==1) s=s+j;
        }
        g<<s;
        g<<"\n";
    }
    return 0;
}