Cod sursa(job #1382563)

Utilizator zpaePopescu Andreea zpae Data 9 martie 2015 11:22:42
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <cstdio>
#include <algorithm>
using namespace std;
#define N 1999999973
int p,n;

int lgp(int p)
{
    if(p==0) return 1;
    if(p%2==1)
        return n*lgp(p-1);
    int x=lgp(p/2);
    return x*x;
}

int main()
{
    freopen("lgput.in","r",stdin);
    freopen("lgput.out","w",stdout);
    scanf("%d%d",&n,&p);
    printf("%d\n",lgp(p));
    return 0;
}