Cod sursa(job #1999796)

Utilizator victorv88Veltan Victor victorv88 Data 12 iulie 2017 09:53:03
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.45 kb
#include <iostream>
#include <fstream>
#define consta 1999999973
using namespace std;

int a,b,p=1;

void loga(){
    while (b!=1)
    {
        if (b%2==1)
        {
            b--;
            p*=a;
            p=p%consta;
        }
        else
        {
            a*=a;
            b/=2;
        }
    }
    p*=a;
    p=p%consta;
}

int main()
{
    cin >> a;
    cin >> b;
    loga();
    cout << p;
    return 0;
}