Cod sursa(job #2089568)

Utilizator xXoctavianXxStanescu Matei Octavian xXoctavianXx Data 16 decembrie 2017 18:55:37
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator c Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <stdio.h>
#include <math.h>
int n,p,k=1;
int main()
{
    FILE* si=fopen("lgput.in","r");
    FILE* so=fopen("lgput.out","w");
    fscanf(si,"%i%i",&n,&p);
    for(;p>0;)
    {
        if(p%2==1) k=k*n;
        n=n*n;
        p=p/2;
    }
    fprintf(so,"%i",k);
    fclose(si);
    fclose(so);
    return 0;
}