Cod sursa(job #2102244)

Utilizator AndreiCroitoruAndrei Croitoru AndreiCroitoru Data 8 ianuarie 2018 16:18:24
Problema Sum Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.74 kb
#include <fstream>

using namespace std;
ifstream in("sum.in");
ofstream out("sum.out");
int v[100001];
int main()
{
    int n,x,y,d=2,j,cx,i,s=0;
    in>>n;
    for(i=1;i<=n;i++)
    {
        in>>x;
        cx=x;
        d=2;
        while(x)
        {
            if(x%d==0)
            {
                for(j=d;j<=cx*2;j+=d)
                {
                    v[j]=1;
                }
                x=x/d;
            }
            d++;
            if(x==1)
            break;
        }
        for(j=1;j<=cx*2;j++)
        {
            if(v[j]!=1)
            s+=j;
        }
        out<<s<<'\n';
        for(j=1;j<=100000;j++)
        {
            v[j]=0;
        }
        s=0;
    }
    return 0;
}