Cod sursa(job #2040019)

Utilizator valentinoltyanOltyan Valentin valentinoltyan Data 15 octombrie 2017 12:11:42
Problema Suma si numarul divizorilor Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 1.01 kb
#include <iostream>
#include <math.h>
#include <fstream>
using namespace std;
ifstream f("ssnd.in");
ofstream g("ssnd.out");
bool a[1000001]={0};
void nr_prime()
{
    for(int i=2;i<=1000000;i++)
    {
        if(a[i]==0)
            for(int j=i;j<=1000000;j+=i)
                a[j]=0;
    }
}
void descompunere(long long n)
{
    long long nd=1,sd1;
    double sd=1;
        for(int i=2;i<=1000000&&n>1;i++)
        {
            if(a[i]==0)
            {
                int p=0;
                while(n%i==0)
                {
                    p++;
                    n=n/i;
                }
                if(p)
                {
                    nd=nd*p+1;
                    sd=sd*(pow(i,(p+1))-1)/(i-1);
                }

            }
        }
    sd1=sd;
    g<<nd<<" "<<sd1;
    g<<endl;

}
int main()
{
    nr_prime();
    int t;
    long long n;
    f>>t;
    for(int j=0;j<t;j++)
    {
        f>>n;
        descompunere(n);

    }
    return 0;
}