Cod sursa(job #2892363)

Utilizator EliasEnacheelias enache EliasEnache Data 21 aprilie 2022 18:52:10
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.4 kb
#include <fstream>
#include <cmath>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
    long long n,p,x,r=1;
    
    in>>n>>p;
    x=1999999973;
    while(p!=1)
    {
        if(p%2==0)
        {
            n=(n*n)%x;
            p=p/2;
        }
        else
        {
            r=(r*n)%x;
            p--;
        }
    }
    n=(n*r)%x;
    out<<n%x;
    return 0;
}