Cod sursa(job #1828445)

Utilizator IsacLucianIsac Lucian IsacLucian Data 13 decembrie 2016 12:53:54
Problema Suma divizorilor Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.46 kb
#include <bits/stdc++.h>
#define MOD 9901
using namespace std;
int Putere(int a,int n)
{
    int p=1;
    while (n>0)
    {
        if (n%2==1)p=1LL*p*a;
        a=1LL*a*a;
        n=n/2;
    }
    return p;
}
int main()
{
    int a,b,s,i,p;
    ifstream fin("sumdiv.in");
    ofstream fout("sumdiv.out");
    fin>>a>>b;
    p=Putere(a,b);
    s=1+p;
    for(i=2;i*i<=p;i++)
        if(p%i==0)s=s+i+p/i;
    fout<<s%MOD<<"\n";
    return 0;
}