Cod sursa(job #1509217)

Utilizator MateiDragomirDragomirMateiIoan MateiDragomir Data 23 octombrie 2015 16:30:37
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
    long long N,P,R=1;
    in>>N;
    in>>P;
    while(P!=1)
    {
        if(P%2==0)
        {
            N=N*N%1999999973;
            P=P/2;
        }
        else
        {
            P=P-1;
            R=R*N%1999999973;
        }

    }
    N=N*R%1999999973;
    out<<N;
    return 0;
}