Cod sursa(job #1040482)

Utilizator Mitsa3Neamt Mihai Mitsa3 Data 24 noiembrie 2013 16:16:36
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.46 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
#define MOD 1999999973
int pow(int nr, int exp)
{
    int p=1,baza=nr;
    while(exp)
    {
        if((exp&1)!=0)
        {
            p*=baza;
        }
        exp>>=1;
        baza*=baza;
    }
    return p;
}
int main()
{
    int nr,putere;
    fin >> nr >> putere;
    fout << pow(nr,putere)%MOD<< "\n";
    return 0;
}