Cod sursa(job #1891820)

Utilizator roxanastRoxana Stiuca roxanast Data 24 februarie 2017 12:49:30
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>
#define m 1999999973
using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");
int main()
{
    unsigned int i,n,p;
    f>>n>>p;
    long long sol=1,a=n;

    for(i=0;(1<<i)<=p;++i){
        if(((1<<i)&p)>0)
            sol=(sol*a)%m;
        a=(a*a)%m;

    }
    g<<sol;
    return 0;
}