Cod sursa(job #1042977)

Utilizator iordache.bogdanIordache Ioan-Bogdan iordache.bogdan Data 27 noiembrie 2013 21:04:25
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.37 kb
#include <fstream>
using namespace std;

int a,p,r,pt;

int main()
{
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    f>>a;
    f>>pt;
    p=a;
    r=1;
    while(pt!=0)
    {
        if(pt%2==1)
            r=(r*p)%1999999973;
        p=(p*p)%1999999973;
        pt=pt/2;
    }
    g<<r<<"\n";
    f.close();
    g.close();
    return 0;
}