Cod sursa(job #1609254)

Utilizator DragodanAlexandraDragodan Alexandra DragodanAlexandra Data 22 februarie 2016 18:09:42
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.49 kb
#include <iostream>
#include<fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,p;
long long functie( long long n, long long p, long long mod)
{
    int x=1;
    while(p)
    {
        if(p%2==1)
        {
            x=(x*n)%mod;
            p--;
        }
        else
        {
            n=(n*n)%mod;
            p=p/2;
        }
    }
    return x;
}
int main()
{
    f>>n>>p;
    g<<functie(n,p,1999999973);
    return 0;
}