Cod sursa(job #2141301)

Utilizator IsacLucianIsac Lucian IsacLucian Data 24 februarie 2018 11:46:28
Problema Suma divizorilor Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.41 kb
#include <bits/stdc++.h>
#define MOD 9901

using namespace std;

ifstream fin("sumdiv.in");
ofstream fout("sumdiv.out");

int p,e;

int Lgput(int a,int n)
{
    int p=1;
    while(n)
    {
        if(n%2)p=1LL*p*a%MOD;
        a=1LL*a*a%MOD;
        n/=2;
    }
    return p;
}

int main()
{
    fin>>p>>e;

    fout<<(1LL*(Lgput(p,e+1)-1)%MOD*Lgput(p-1,MOD-2)%MOD)%MOD;
    return 0;
}