Cod sursa(job #2144709)

Utilizator NannyiMaslinca Alecsandru Mihai Nannyi Data 26 februarie 2018 21:25:58
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.36 kb
#include <iostream>
#include <fstream>
using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");
#define modulo 1999999973
long long x,p,solutie=1;
int main()
{
    f>>x>>p;
    for (int i=1;i<=p;i<<=1)
    {
        if ((p&i)>0)
            solutie=(solutie*x)%modulo;
        x=(x*x)%modulo;
    }
    g<<solutie%modulo;
    return 0;
}