Cod sursa(job #1917772)

Utilizator bajiBajan Vlad baji Data 9 martie 2017 13:03:54
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.43 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("ridput.in");
ofstream fout("ridput.out");
int n, p, r;

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

    return 0;
}