Cod sursa(job #2911251)

Utilizator Paul_DobrescuPaul Dobrescu Paul_Dobrescu Data 28 iunie 2022 08:44:03
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.45 kb
#include <iostream>
#include <fstream>

using namespace std;

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

int main()
{
    ifstream reader ("lgput.in");
    ofstream writer ("lgput.out");
    long long n;
    reader>>n;
    int p;
    reader>>p;
    long long aux;
    writer<<functie(n,p);
    return 0;
}