Cod sursa(job #2792392)

Utilizator Vasile_AndreiVasile Andrei Calin Vasile_Andrei Data 1 noiembrie 2021 16:11:40
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.42 kb
#include <fstream>


using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
int putere(long long a,int n)
{
    int p=1;
    while (n!=0)
    {
        if (n%2==1)
           {
               p=(p*a)%1999999973;
           }
        a=(a*a)%1999999973;
        n=n/2;
    }
    return p%1999999973;
}
long long a,b;
int main()
{
    cin >>a>>b;
    cout <<putere(a,b);
    return 0;
}