Cod sursa(job #1509239)

Utilizator vlad2004SuntUnNanoTub vlad2004 Data 23 octombrie 2015 16:36:57
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include <fstream>
#include<cmath>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");

int main()
{
    int P;
    long long N,R=1;
    in>>N>>P;
    while(P!=1)
    {
        if(P%2==0)
        {
            P=P/2;
            N=N*N%1999999973;
        }
        else
        {
            P=P-1;
            R=R*N%1999999973;
        }
    }
    N=N*R;
    out<<N%1999999973<<endl;
    return 0;
}