Cod sursa(job #1686143)

Utilizator EberardoVladianu Cosmin Eberardo Data 12 aprilie 2016 08:48:51
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.48 kb
#include <fstream>

using namespace std;

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

unsigned long long n,rezultat=1;
int p;

void ridicare(unsigned long long x,int putere)
{
    while(putere)
    {
        if(putere%2)
        {
            rezultat*=x;
            rezultat%=1999999973;
        }
        x*=x;
        x%=1999999973;
        putere/=2;
    }
}

int main()
{
    fin>>n>>p;
    ridicare(n,p);
    fout<<rezultat;
    return 0;
}