Cod sursa(job #2699054)

Utilizator alexdumitruAlexandru Dumitru alexdumitru Data 23 ianuarie 2021 16:15:41
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.3 kb
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long a,p=1,n;
int main()
{
    fin>>a>>n;
    while(n>0)
    {
        if(n%2==1)
            p=(p*a)%1999999973;
        a=a*a;
        n/=2;
    }
    fout<<p%1999999973;
    return 0;
}