Cod sursa(job #2335856)

Utilizator ewaldBerla Ewald ewald Data 4 februarie 2019 16:13:50
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.38 kb
#include <iostream>
#include <fstream>

using namespace std;

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

long power(long long x, long long y){
  if(y==0)
    return 1;
  if(y==1)
    return x;
    long res=power(x,y/2);
    if(y%2==0)
        return res*res;
    return res*res*x;
}

int main(){
    long x;
    long y;
    f>>x>>y;
    g<<power(x,y);
}