Cod sursa(job #1607642)

Utilizator Bot32King Max Bot32 Data 21 februarie 2016 14:44:44
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include <iostream>
#include <fstream>
using namespace std;

#define mod 1999999973

ifstream f("lgput.in");
ofstream g("lgput.out");

long long n , p;
long long rez=1;

int main()
{
    f >> n >> p;
    while(p>0)
    {
        if( p%2 == 1)
        {
            rez=rez*n%mod;
            p--;
        }
        else
        {
            n=(n*n)%mod;
            p/=2;
        }
    }
    g << rez;
    return 0;
}