Cod sursa(job #1927129)

Utilizator GandalfTheWhiteGandalf the White GandalfTheWhite Data 14 martie 2017 22:29:28
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.42 kb
#include <fstream>
#define M 1999999973
using namespace std;

long long a,b,sol=1;
void Read(){

    ifstream fin("lgput.in");
    fin>>a>>b;

}

void Pow(){

    long long i;

    for (i=0;(1<<i)<=b;++i)
        if (((1<<i)&b)>0) sol=(sol*a)%M;
        else a=(a*a)%M;
}

void Write(){

    ofstream fout("lgput.out");
    fout<<sol;
}
int main()
{
    Read();
    Pow();
    Write();
    return 0;
}