Cod sursa(job #2385339)

Utilizator albucristianAlbu Cristian-Gabriel albucristian Data 21 martie 2019 20:15:20
Problema Suma si numarul divizorilor Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 1.1 kb
#include <fstream>
using namespace std;
int v[1000002],ciur[1000002];
int main()
{
    int n,c,s,nr,x;
    ifstream in("ssnd.in");
    ofstream out("ssnd.out");
    for(int i=2;i<=1000000;i++)
    {
        if(v[i]==0)
        {
            for(int j=2*i;j<=1000000;j+=i)
            {
                v[j]=1;
            }
        }
    }
    c=0;
    for(int i=2;i<=1000000;i++)
    {
        if(v[i]==0)
            ciur[++c]=i;
    }
    in>>n;
    for(int i=1;i<=n;i++)
    {
        in>>x;
        nr=s=0;
        for(int j=1;j<=c;j++)
        {
            if(ciur[j]*ciur[j]<=x)
            {
                if(ciur[j]*ciur[j]==x)
                {
                    nr++;
                    s+=ciur[j];
                }
                else
                {
                    if(x%ciur[j]==0)
                    {
                        nr+=2;
                        s=s+ciur[j]+x/ciur[j];
                    }
                }
            }
            else
                break;
        }
        out<<nr+2<<" "<<s+1+x<<"\n";
    }
    return 0;
}