Cod sursa(job #1130149)

Utilizator gigamhzAndrei gigamhz Data 28 februarie 2014 11:33:22
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;

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

int putere(int x,int p){

if(p == 1)return x;
if(p%2 == 0)return putere(x*x,p/2);
if(p%2 != 0)return putere x*(x*x,(p-1)/2);

}

int main()
{
    int n,p;
    f>>n>>p;
    g<<putere(n,p)%1999999973;
    return 0;
}