Cod sursa(job #2671271)

Utilizator StefyanStefan Stanciu Stefyan Data 11 noiembrie 2020 20:36:01
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");

const long m=1999999973;

int main()
{
    long long n, x, r=1;
    f>>x>>n;
    while(n)
    {
        if(n%2==1)
        {
            r=(x*r)%m;
        }
        x=(x*x)%m;
        n/=2;
    }
    g<<r;
    return 0;
}