Cod sursa(job #2402582)

Utilizator alexandrionUNIBUC Marcu Alexandru alexandrion Data 10 aprilie 2019 20:19:20
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.61 kb
#include <iostream>
#include <fstream>
using namespace std;

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

long long functie_de_ridicare_la_putere(long long N,long long P)
{
    if(P==0)
    {
        return 1;
    }
    if(P==1)
    {
        return N;
    }

    if(P%2==0)
    {
        return functie_de_ridicare_la_putere((N*N)%1999999973,P/2)%1999999973;
    }
    else
    {
        return N*functie_de_ridicare_la_putere((N*N)%1999999973,(P-1)/2)%1999999973;
    }

}

int main()
{
    long long N,P;
    fin>>N>>P;
    fout<<functie_de_ridicare_la_putere(N,P);


}