Cod sursa(job #2419542)

Utilizator maaruncdelageamMa Arunc de la Geam maaruncdelageam Data 8 mai 2019 19:43:54
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.74 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 A,long long B)
{
    if(B==0)
    {
        return 1;
    }
    if(B!=1)
    {
        if(B%2==1)
        {
            return (((functie_de_ridicare_la_putere(A,B/2)*functie_de_ridicare_la_putere(A,B/2))%1999999973)*A)%1999999973;
        }
        if(B%2==0)
        {
            return (functie_de_ridicare_la_putere(A,B/2)*functie_de_ridicare_la_putere(A,B/2))%1999999973;
        }
    }
    if(B==1)
    return A%1999999973;



}
int main()
{
    long long a,b;
    fin>>a>>b;
    fout<<functie_de_ridicare_la_putere(a,b)%1999999973;

}