Cod sursa(job #1713689)

Utilizator XandraAlexandra Manciu Xandra Data 6 iunie 2016 10:31:21
Problema Ridicare la putere in timp logaritmic Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include <fstream>

using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
long long f (long long n, long long p)
{
    if(p == 1) return n;
    long long nr = f (n, p / 2);
    if(p % 2 == 0)
        {
            return  (nr * nr * 1LL) % 1999999973;
        }
    else return (nr * nr * n * 1LL) % 1999999973;

}
int main()
{
    long long n, p;
    in >> n >> p;
    out << f (n, p);
    return 0;
}