Cod sursa(job #810033)

Utilizator rogoz.bogdanRogoz Bogdan rogoz.bogdan Data 9 noiembrie 2012 14:46:18
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include<fstream>
#define MAX 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");

long long expo(long long a, long long b)
{
    long long result = 1;
    while (b){
    if (b&1)
    {
        result = result*a%MAX;
    }
        b >>=1 ;
        a *= a%MAX;
    }
    return result;
}

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