Cod sursa(job #951204)

Utilizator Johny_Depp22Johnny Depp Johny_Depp22 Data 19 mai 2013 19:03:50
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <fstream>
#define mod 1999999973

using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");

unsigned long long n, k, res=1;

int main()
{
    f>>n>>k;

    while(k>0)
    {
        if(k%2==1)
        {
            res*=n; res%=mod; k--;
        }
        n*=n; n%=mod; k/=2;
    }
    g<<res<<'\n';
    f.close(); g.close();
    return 0;
}