Cod sursa(job #2100068)

Utilizator GeoeyMexicanuBadita George GeoeyMexicanu Data 5 ianuarie 2018 03:09:17
Problema Suma divizorilor Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.57 kb
#include <iostream>
#include <fstream>
#include <cmath>

using namespace std;

ifstream f("sumdiv.in");
ofstream g("sumdiv.out");

long long S=0,pr=1;
int i,j,n,A,B;
long long pow(int x,int y)
{
    long long p=1;
    while(y!=0)
    {
        if(y%2!=0)
            p=p*x;
        x=x*x;
        y=y/2;
    }
    return p;
}
int main()
{
    f>>A>>B;
    pr=pow(A,B);
    for(i=1;i<=sqrt(pr);i++)
        if(pr%i==0)
        {
            S+=i;
            if((pr/i)!=i)
                S+=(pr/i);
            S=S%9901;
        }
    g<<S;
}