Cod sursa(job #2207751)

Utilizator VNohaiNohai Vlad-Auras VNohai Data 26 mai 2018 17:25:22
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int main()
{
    int n, p, af=1, a;
    f>>n>>p;
    a=n;
    for(int i=0; (1<<i)<=p; i++)
    {
    if(((1<<i)&p)>0)
    af=(af*a)%1999999973;
    a=(a*a)%1999999973;
    }
    g<<af;
    return 0;
}