Cod sursa(job #2718498)

Utilizator HadefAlexandru Haidet Hadef Data 8 martie 2021 19:35:10
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda no-time-to-rest Marime 0.28 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream fe("lgput.out");

int main()
{
    long long b,e,P=1;
    f>>b;
    f>>e;
    while(e)
    {
        if(e % 2 == 1)
            P=P*b;
        b=b*b;
        e=e/2;
    }
    fe<<P;
    return 0;
}