Cod sursa(job #1291731)

Utilizator Alex_SimionSimion Alexandru Alex_Simion Data 13 decembrie 2014 10:37:45
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
#define MOD 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
unsigned long long B,E,R;
int main()
{
    f>>B>>E;
    B%=MOD;
    R=1;
    while(E)
    {
        if(E%2==1)R=(R*B)%MOD;
        B=(B*B)%MOD;
        E/=2;
    }
    g<<R;
    return 0;
}