Cod sursa(job #2690709)

Utilizator TheGodYatoBUGNAR CATALIN TheGodYato Data 25 decembrie 2020 13:25:56
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int putere(int n,int p)
{
    if(p==1) return n;
    if(p%2==0) return putere(n*n,p/2);
    return n*putere(n*n,p/2);
}
int main()
{
    int n,p;
    fin>>n>>p;
    fout<<putere(n,p);
    return 0;
}