Cod sursa(job #1498137)

Utilizator AcuasPopescu Nicolae-Aurelian Acuas Data 7 octombrie 2015 23:28:15
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.39 kb
#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int n,p;
int ridicare(int x,int n){
    int p=1;
    while(n>0){
        if(n%2==1){
            p=p*x;
            n--;
        }
        x=x*x;
        n/=2;
    }
    return p;
}
int main()
{
    f>>n>>p;
    g<<ridicare(n,p);
    return 0;
}