Cod sursa(job #2847087)

Utilizator qMihaiMihai Blidaru qMihai Data 10 februarie 2022 10:55:40
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()
{
    long long a,b;
    ifstream fin("lgput.in");
    fin>>a>>b;
    while(b!=0)
        if(b&2==0)
    {
        a=a*a;
        b=b/2;
    }
    else { a=a*a;
    b=(b-1)/2;

    }
    ofstream fout("lgput.out");
    fout<<a;
    return 0;
}