Cod sursa(job #2962986)

Utilizator Vali_nnnValentin Nimigean Vali_nnn Data 9 ianuarie 2023 22:21:29
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.38 kb
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int exponentiation(int a, int b){
    if(b==1)
        return a;
    if(b%2==1)
        return a*exponentiation(a, b-1);
    int tmp_exp = exponentiation(a, b/2);
    return tmp_exp * tmp_exp;
}
int main()
{
    int a, b;
f>>a>>b;

    g<<exponentiation(a, b);
    return 0;
}