Cod sursa(job #1506937)

Utilizator ilinoiuflaviusIlinoiu Flavius ilinoiuflavius Data 21 octombrie 2015 08:23:59
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;

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

long long n,p,sol=1;
const long m = 1999999973;
int main()
{
    f>>n>>p;
    for(int i=0;(1<<i) <= p;++i)
    {
        if(((1<<i) & p)>0)
            sol=(sol*n)%m;
        n=(n*n)%m;
    }
    g<<sol;
    return 0;
}