Cod sursa(job #2940956)

Utilizator raresmihociMihoci Rares raresmihoci Data 16 noiembrie 2022 20:07:59
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");

int n, p;

int exp(int n, int p)
{
    if(p == 0)return 1;
    else if(p % 2 == 1)return n * exp(n * n, (p - 1) / 2);
    else if(p % 2 == 0)return exp(n * n, p / 2);

}

int main()
{
    fin >> n >> p;
    fout << exp(n, p);
    return 0;
}