Cod sursa(job #2638293)

Utilizator RTG123Razvan Diaconescu RTG123 Data 27 iulie 2020 18:01:25
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.37 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int n,m;
int exec (int x,int exp)
{
    if (exp==0) return 1;
    if (exp==1) return x;
    else if (exp%2==0)
    {
        return exec(x*x,exp/2);
    }
    else return exec(x,exp-1)*x;
}
int main()
{
    f>>n>>m;
    g<<exec(n,m);
    return 0;
}