Cod sursa(job #933911)

Utilizator gapdanPopescu George gapdan Data 30 martie 2013 13:22:23
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
int n,p;
fstream f("lgput.in",ios::in);
fstream g("lgput.out",ios::out);
int expo(int a,int b)
{
    int result=1;
    while (b)
    {
        if (b&1) {result*=a;}
    b>>=1;
    a*=a;
    }
    return result;
}
int main()
{
    f>>n>>p;
    g<<expo(n,p);
    return 0;
}