Cod sursa(job #2586722)

Utilizator xXoctavianXxStanescu Matei Octavian xXoctavianXx Data 21 martie 2020 13:43:52
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.39 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

const int MOD=1999999973;

long long putere(int n, int p)
{
    if(p==1) return n;
    if(p==0) return 1;
    if(p%2==0) return putere(n*n,p/2);
    if(p%2==1) return n*putere(n*n,p/2);
}

long long n,p;

int main()
{
    fin>>n>>p;
    fout<<putere(n,p);
    return 0;
}