Cod sursa(job #2011933)

Utilizator ARobertAntohi Robert ARobert Data 17 august 2017 15:54:53
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.48 kb
#include <iostream>
#include <fstream>
using namespace std;

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

long int n, p, result,t;

int main()
{
    result=1;
    fin>>n>>p;
    while (p!=0)
    {
        if (p%2==0)
        {
            p/=2;
            t=n%1999999973;
            n=(t*t)%1999999973;
        }
        else
        {
            p--;
            result=(result*n)%1999999973;
        }
    }
    fout<<result;
    return 0;
}