Mai intai trebuie sa te autentifici.

Cod sursa(job #2544013)

Utilizator urtiComanac Dragos urti Data 11 februarie 2020 18:20:30
Problema Ridicare la putere in timp logaritmic Scor 50
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.52 kb
#include <iostream>
#include <fstream>

using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
using namespace std;
#define MOD 1999999973

long unsigned power (long unsigned n, long unsigned p)
{
    if(p == 0)
        return 1;
    if(p == 1)
        return n;

    if(p%2 == 0)
        return (power(n,p/2)*power(n,p/2)) % MOD;

    return (power(n,p/2)*power(n,p/2)* n) % MOD;

}

int main()
{
    long unsigned n,p;
    fin>>n>>p;

    fout<<power(n,p);
    return 0;
}