Cod sursa(job #2432289)

Utilizator cyg_Alex_codegicianBarbu Alexandru cyg_Alex_codegician Data 22 iunie 2019 21:19:17
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
int main()
{
    int a,b,p=1;
    cin >> a >> b;
    while (b!=0)
    {
        if (b%2==1) p=(p*a)%1999999973;
        a=(a*a)%1999999973;
        b/=2;
    }
    cout << p%1999999973;
}