Cod sursa(job #1291983)

Utilizator ionutzelStroe Ionut ionutzel Data 13 decembrie 2014 15:42:28
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");

int main()
{
    long long x=1,n,p,mod=1999999973,i;
    in>>n>>p;
    for(i=0;i<=31;i++)
    {
        if((p>>i)&1)
        x=x*n;
        x=x%mod;
        n=n*n;
        n=n%mod;
    }
    out<<x;
    return 0;
}