Cod sursa(job #1510765)

Utilizator ilinca_stefiChirtoc Ilinca ilinca_stefi Data 25 octombrie 2015 16:27:35
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include <fstream>

using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
    long long n,p,r=1;
    in>>n>>p;
    while(p>1)
    {
        if(p%2==0)
        {
            n=(n*n)%199999997;
            p=p/2;
        }
        else
        {
            p=p-1;
            r=(r*n)%199999997;
        }
    }
    n=n*p;
    out<<n%199999997;
    return 0;
}