Cod sursa(job #2383443)

Utilizator butnaru_vlad2003Butnaru Vlad butnaru_vlad2003 Data 19 martie 2019 15:18:15
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda excelenta-tema2 Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
int main ()
{
    long long a,b,sol=1,n;
    in>>a>>b;
    n=a;
    for (int i=0; (1<<i)<=b; ++i)
    {
        if (b&(1<<i))
            sol*=n;
        n*=n;
    }
    out<<sol;
    return 0;
}