Cod sursa(job #2171963)

Utilizator TeddyDinutaDinuta Eduard Stefan TeddyDinuta Data 15 martie 2018 14:21:24
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long a,n,p=1;
const long long Mod=1999999973;
int main()
{
    in>>a>>n;
    while(n>0)
    {
        if(n&1)
        {
            p=p*a%Mod;
            --n;
        }
        a=(a*a)%Mod;
        n=n>>1;
    }
    out<<p;
    return 0;
}