Cod sursa(job #2431364)

Utilizator rd211Dinucu David rd211 Data 19 iunie 2019 03:45:28
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.44 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int num =1999999973;
int pow(int n,int p)
{
    int r = 1;
    while(p)
    {
        if(p%2==1)
            r= (r*n) % num;
        n= (n*n) % num;
        p=p/2;
    }
    return r;
}
int main()
{
    int n,p;
    fin>>n>>p;
    fout<<pow(n,p)<<'\n';
    fin.close();
    fout.close();
    return 0;
}