Cod sursa(job #1998903)

Utilizator JustGingaGinga Tudor-Adrian JustGinga Data 9 iulie 2017 16:01:01
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <fstream>
using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
const int mod = 1999999973;
int n, p; long long sol = 1;
int main()
{
    in >> n >> p; n %= mod;
    while (p)
    {
        if (p & 1) { sol *= (n % mod); sol %= mod; p--; }
        n *= (n % mod); n %= mod; p /= 2;
    }
    out << sol << '\n';
    out.close(); return 0;
}