Cod sursa(job #2760081)

Utilizator F.MatyiFischer Matyas Zsigmond F.Matyi Data 22 iunie 2021 19:38:22
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.48 kb
#include <iostream>
#include <fstream>

using namespace std;

int lgput(int a, int b)
{
    if(b%2==0){
        b/=2;
        a*=a;
        int c=a;
        for(int i=1; i<b; i++) c=c*a;
        return c;
    } else {
        b/=2;
        int c=a;
        a*=a;
        for(int i=1; i<=b; i++) c=c*a*a;
        return c*a;
    }
}
int main()
{
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    int a, b;
    f>>a>>b;
    g<<lgput(a,b);
    return 0;
}