Cod sursa(job #1348823)

Utilizator Matei_IgnutaMatei Ignuta Matei_Ignuta Data 19 februarie 2015 21:14:37
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include <stdio.h>

using namespace std;
int putere (int a, int b){
    if(b==0) return 1;
    if(b==1) return a;
    else{
        if(b%2==0) return putere(a,b/2)*putere(a,b/2);
        else return a*putere(a,b/2)*putere(a,b/2);
        }
    }
int main()
{
    int m,n;
    freopen("lgput.in", "r", stdin);
    freopen("lgput.out", "w", stdout);
    scanf("%d %d", &m, &n);
    printf("%d", putere(m,n));
    return 0;
}