Cod sursa(job #2336978)

Utilizator alexdumitrescuDumitrescu George Alex alexdumitrescu Data 5 februarie 2019 19:05:10
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
unsigned long long n, p, r;
int main()
{
    fin >> n >> p;
    r=1;
    while(p!=0)
    {
        if(p%2==1)
            r=(r*n)%mod;
        n=(n*n)%mod;
        p/=2;
    }
    fout << r;
    return 0;
}