Cod sursa(job #2635292)

Utilizator RTG123Razvan Diaconescu RTG123 Data 13 iulie 2020 22:02:46
Problema Suma si numarul divizorilor Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.88 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("ssnd.in");
ofstream g("ssnd.out");
int n,m,v[1000001],nrd,s,nr,vd[78499];
int main()
{
    for (int i=2; i<=1000000; i++)
    {
        if (v[i]==0)
        {
            nr++;
            vd[nr]=i;
            v[i]=1;
            for (int j=i*2; j<=1000000; j+=i)
            {
                v[j]=1;
            }
        }
    }
    f>>m;
    for (int i=0; i<m; i++)
    {
        f>>n;
        s=n+1;
        nrd=2;
        for (int j=1; j<=78498 && vd[j]*vd[j]<=n; j++)
        {
            if (n%vd[j]==0)
            {
                nrd++;
                s+=vd[j];
                if (n/vd[j]!=vd[j])
                {
                    nrd++;
                    s+=n/vd[j];
                }
            }
        }
        g<<nrd<<' '<<s<<'\n';
    }
    return 0;
}