Cod sursa(job #2060476)

Utilizator PurcariuAlexandraPurcariu Alexandra PurcariuAlexandra Data 8 noiembrie 2017 12:07:38
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int main()
{
    long long n,p,sol,w;
    f>>n>>p;
    sol=1;
    w=1999999973;
    while(p>0)
    {
        if(p%2==1)
            sol=(sol*n)%w;
    n=(n*n)%w;
    p=p/2;
    }
    g<<sol;
    g.close();
    f.close();
    return 0;
}