Cod sursa(job #1291287)

Utilizator MrTudorTudor Savulescu MrTudor Data 12 decembrie 2014 17:59:42
Problema Ridicare la putere in timp logaritmic Scor 10
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()
{int n,i,p,r;
    in>>n>>p;

    int mod  = 1999999973;

    r=1;

    for(i=0;(1<<i)<=p;i++)
    {
        if((1<<i)&p)
       r=(n*r)%mod;
       n=(n*n)%mod;
    }
   out<<r%mod;
   return 0;
}