Cod sursa(job #2563921)

Utilizator AndiAndi39Sabo Andrei Claudiu AndiAndi39 Data 1 martie 2020 16:11:32
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.45 kb
#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
#define mod 1999999973
long long n,p;
int f(int n,int p)
{
    long long r=1;
    while(p!=0)
    {
        if(p%2==1)
        {
            r=(1LL*r*n)%mod;
        }
        n=n*n;
        p=p/2;
    }
    return r;
}
int main ()
{
    fin>>n>>p;
    fout<<f(n,p);
    fin.close();
    fout.close();
    return 0;
}