Cod sursa(job #1649867)

Utilizator dorin31Geman Dorin Andrei dorin31 Data 11 martie 2016 15:28:10
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;

int mod = 1999999973;

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

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

    long long sol=1;
    for ( ; p; p>>=1)
    {
        if (p%2) sol=(sol*n)%mod;
        n=(n*n)%mod;
    }

    fout<<sol;
    return 0;
}