Cod sursa(job #2156366)

Utilizator Daniel_ApopeiDaniel Apopei Daniel_Apopei Data 8 martie 2018 18:03:49
Problema Suma si numarul divizorilor Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.55 kb
#include<iostream>
#include<cmath>
#include<fstream>
using namespace std;
ifstream f("ssnd.in");
ofstream g("ssnd.out");
int n,x,suma,nr;
void calc()
{
    suma=nr=0; if(x==1) {suma=nr=1; return;}
    for(int j=1;j*j<=x;j++)
    {
        if(x%j==0)
        {
            nr+=2;
            suma+=j;
            suma+=x/j;
        }
    }
    int c=sqrt(x);
    if(c*c==x) {nr--; suma-=c;}
}
int main()
{
    f>>n;
    for(int i=1;i<=n;i++)
    {
        f>>x;
        calc();
        g<<nr<<" "<<suma<<endl;
    }
    return 0;
}