Cod sursa(job #2699070)

Utilizator Andu0109Voinea Alexandru Iurie Andu0109 Data 23 ianuarie 2021 16:29:49
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream>

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