Cod sursa(job #2884609)

Utilizator PescarusTanislav Luca Andrei Pescarus Data 4 aprilie 2022 12:30:44
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int putere(int a, int n)
{
    if(n==0)
        return 1;
    if(n%2==1)
        return a*putere(a, n-1);
    int p=putere(a,n/2);
    return p*p;
}
int main()
{
    int x,y;
    f>>x>>y;
    g<<putere(x,y);
}