Cod sursa(job #2474380)

Utilizator Florinos123Gaina Florin Florinos123 Data 15 octombrie 2019 09:27:38
Problema Suma si numarul divizorilor Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.8 kb
#include <fstream>
#include <iostream>
#include <cmath>
using namespace std;
long long sumdiv(long long n)
{
  long long s=0,i;
  for(i=1;i*i<=n;i++)
  {
      if(n%i==0)
      {
          s=s+i;
          if(i*i<n)
            s=s+n/i;
      }
  }
  return s;
}
long long nrdiv(int n)
{
    long long d=2,p=0,x=1;
    while(n>1)
    {
        p=0;
        while(n%d==0)
        {
            p++;
            n=n/d;
        }
        if(p>0)
            x=x*(p+1);
        if(d==2)
            d++;
        else
            d=d+2;

        if(n>1 && d*d>n)
            d=n;
    }
    return x;
}
int main()
{
long long n,i,x,y;
ifstream f("ssnd.in");
ofstream g("ssnd.out");
f>>n;
for(i=0;i<n;i++)
{
    f>>x;
  g<<nrdiv(x)<<" "<<sumdiv(x)<<"\n";

}

    return 0;
}