Cod sursa(job #1697152)

Utilizator ediciurezuCiurezu Eduard ediciurezu Data 30 aprilie 2016 21:18:38
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include <iostream>
#include <fstream>
#include <string.h>
using namespace std;
const int m=1999999973;

int main()
{
    unsigned i,n,p;
    long long a,sol=1;
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    f>>n>>p;
    a=n;
    for (i=0;(1<<i)<=p;++i)
    {
        if (((1<<i)&p)>0) sol=(sol*a)%m;
        a=(a*a)%m;
    }
    g<<sol;
    f.close();
    g.close();
    return 0;
}