Cod sursa(job #1649881)

Utilizator dorin31Geman Dorin Andrei dorin31 Data 11 martie 2016 15:32:21
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;

#define mod 1999999973;

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

int main()
{
    long long n, p;
    fin>>n>>p;

    long long sol=1;
    for ( ; p; p>>=1)
    {
        if (p%2) sol=(sol*n)%mod;
        n=(n*n)%mod;
    }

    fout<<sol;
    return 0;
}