Cod sursa(job #1118337)

Utilizator YoYoxxIftimesei Ioan YoYoxx Data 24 februarie 2014 10:19:36
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long n,k,sol=1;
const int z=1999999973;

int main()
{
    int i;
    in>>n>>k;
    for(i=0;(1<<i)<=k;i++)
    {
        if( ((1<<i)&k)>0 ) sol=(sol*n)%z;
        n=(n*n)%z;
    }
    out<<sol;
    return 0;
}