Cod sursa(job #1552179)

Utilizator MihaiCCioabnu Mihai MihaiC Data 17 decembrie 2015 12:29:02
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long x,N,n,p;
int main()
{fin >>x>>n;
p=1;
N=1999999973;
while (n>0)
{if (n%2)
    {
        p=p*x%N;
        n=n-1;
        }
        x=x*x%N;
        n=n/2;

}
fout<<p;

    return 0;
}