Cod sursa(job #2060479)

Utilizator PavelSilviuPavel Silviu-Mihail PavelSilviu Data 8 noiembrie 2017 12:09:24
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
#include<fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g ("lgput.out");
int main()
{
    long long int 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;
    return 0;
}