Cod sursa(job #1379118)

Utilizator Ionut228Ionut Calofir Ionut228 Data 6 martie 2015 16:24:46
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.49 kb
#include <fstream>

using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

const int MOD = 1999999973;

int N, P;

int ridput(int N, int P)
{
    long long sol;

    if (P == 0)
        return 1;

    sol = ridput(N, P / 2);
    sol = (sol * sol) % MOD;

    if (P % 2 == 1)
        sol = (sol * N) % MOD;

    return sol;
}

int main()
{
    fin >> N >> P;

    fout << ridput(N, P) << '\n';

    fin.close();
    fout.close();
    return 0;
}