Cod sursa(job #1456272)

Utilizator ilinca_stefiChirtoc Ilinca ilinca_stefi Data 30 iunie 2015 11:39:27
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
    long long n,p,i,r=1,mod=1999999973;
    in>>n>>p;
    for(i=0;(1<<i)<=p;i++)
    {
        if((1<<i)&p)
            r=(r*n)%mod;
            n=(n*n)%mod;
    }
    out<<r;
    return 0;
}