Cod sursa(job #1812482)

Utilizator Ciprian_PizzaVasile Capota Ciprian_Pizza Data 22 noiembrie 2016 10:00:36
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.43 kb
#include <iostream>
#include <fstream>
#define MOD 1999999975
using namespace std;
int Putere(int a, int n)
{
    int p=1;
    while(n>0)
    {
        if(n%2==1) p=1LL*p*a%MOD;
        a=1LL*a*a%MOD;
        n=n/2;
    }
    return p;
}
int main()
{
    int a,b;
    ifstream fin("lgput.in");
    ofstream fout("lgput.out");
    fin >>a>>b;
    fout << Putere(a,b);
    fin.close();
    fout.close();
    return 0;
}