Cod sursa(job #1499119)

Utilizator AlexandruRudiAlexandru Rudi AlexandruRudi Data 10 octombrie 2015 11:07:20
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>

using namespace std;

const int m = 1999999973;
long long int n,p,sol=1;

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