Cod sursa(job #1552187)

Utilizator circeanubogdanCirceanu Bogdan circeanubogdan Data 17 decembrie 2015 12:33:08
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.36 kb
Raporteaza aceasta sursa 
#include <fstream>
#define m 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long x,p;
int n,m;
int main()
{

    fin>>x>>n;
    p=1;
    while(n>0)
    {
        if(n%2)
        {
            p=p*x%m;
            n--;
        }
        x=x*x%m;
        n=n/2;
    }
    fout<<p;
    return 0;
}