Cod sursa(job #1275889)

Utilizator costty94Duica Costinel costty94 Data 25 noiembrie 2014 18:55:10
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.46 kb
#include <iostream>
#include <fstream>
#define MOD 1999999973

using namespace std;

long long putere(long long n, long long p)
{
    long long a, r = 1;
    a = n;
    while(p != 0)
    {
       if(p % 2 == 1)
            r = r * a;
       a = a * a;
       p = p / 2;
    }
    return r;

}

int main()
{
    ifstream f("lgput.in");
    ofstream g("lgput.out");

    long long n, p;
    f>>n>>p;
    g<<putere(n, p);
    return 0;
}