Cod sursa(job #2272169)

Utilizator alex_bb8Banilean Alexandru-Ioan alex_bb8 Data 29 octombrie 2018 19:33:47
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;

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

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

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