Cod sursa(job #2280353)

Utilizator Adi55AdrianCiurea Adi55 Data 10 noiembrie 2018 14:56:50
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.49 kb
#include <iostream>
#include <fstream>
#include <math.h>
using namespace std;
ifstream f ("lgput.in");
ofstream g ("lgput.out");
long long int k=1999999973;
long long int exp(long long int x,long long int y)
{
    if(y==0)
    {
        return 1;
    }
    if(y%2)
    {
        return ((x%k*(exp(x*x,(y-1)/2)%k))%k);
    }
    return ((exp((x*x)%k,y/2)))%k;
}
int main()
{
    long long int n,p;
    f>>n>>p;
    cout<<"Varianta mea: "<<(exp(n,p))%k<<endl;
    return 0;
}