Cod sursa(job #2705395)

Utilizator davidpetreusPetreus David Mihai davidpetreus Data 12 februarie 2021 15:36:41
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.51 kb
#include <fstream>
#include <cmath>

using namespace std;

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

long long n,p,a;
int v[100001];

int main()
{
    fin >> n >> p;
    if (p<0)
        fout << pow(1 / n, -p);
    else if (p==0)
        fout << 1;
    else if (p==1)
        fout << n;
    else if (p>1)
    {
        if (n%2==0)
        {
            a=pow(n*n,p/2);
        }
        else
        {
            a=pow(n*n,p/p-1);
        }
        fout << a << '\n';
    }
}