Cod sursa(job #1181323)

Utilizator BogdanisarBurcea Bogdan Madalin Bogdanisar Data 2 mai 2014 14:59:31
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.52 kb
#include<iostream>
#include<fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
unsigned long long N,P;

unsigned long long putere(unsigned long long a,unsigned long long b)
{
    unsigned long long sol=1;
    while (a>=1)
    {
        if ((a & 1)==1)
            {sol=sol*b;}
        //cout<<b<<' '<<a<<' '<<sol<<'\n';
        a=a>>1;
        b=b*b;
    }
    return sol % 1999999973;
}

int main()
{
    f>>N>>P;
    g<<putere(P,N);
    f.close();g.close();
    return 0;
}