Cod sursa(job #1789928)

Utilizator stefanmereutaStefan Mereuta stefanmereuta Data 27 octombrie 2016 17:19:05
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.52 kb
#include <fstream>

using namespace std;

unsigned int lgput(unsigned int x, unsigned int n) {
    if (n == 0) {
        return 1;
    } else if (n % 2 == 0) {
        return lgput(x, n / 2) * lgput(x, n / 2);
    } else {
        return x * lgput(x, n - 1);
    }
}
int main()
{
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    unsigned int N, P, res;
    fin >> N >> P;
    res = lgput(N, P);
    res %= 1999999973;
    fout << res;
    fin.close();
    fout.close();
    return 0;
}