Cod sursa(job #2847098)

Utilizator andra06Dragos Andra Roxana andra06 Data 10 februarie 2022 11:06:53
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;

int main()
{
    ifstream f("lgput.in");
    ofstream ft("lgput.out");
    long long  a, b, rez=1;
    f>>a>>b;
    while(b!=0)
         if(b%2==0)
    {
        a=a*a;b=b/2;
    }
    else
    {
        b--;rez=rez*a;
    }
    ft<<rez;
    return 0;
}