Cod sursa(job #1509180)

Utilizator lucaperjuLuca Perju Verzotti lucaperju Data 23 octombrie 2015 16:22:59
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.46 kb
#include <fstream>
#include <cmath>
using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
int main()
{
    long long unsigned N,P,gigel;
    long long r;
    in>>N>>P;
    r=1;
    while(P!=1)
    {
        if(P%2==0)
        {
            P=P/2;
            N=N*N;
        }
        else
        {
            P=P-1;
            r=r*N;
        }
    }
    N=N*r;
    gigel=N%1999999973;
    out<<gigel;
    return 0;
}