Cod sursa(job #3238541)

Utilizator Spikyscutaru matei Spiky Data 26 iulie 2024 14:43:33
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.62 kb
#include <fstream>
#include <vector>
#include <queue>

using namespace std;

ifstream cin("lgput.in");
ofstream cout("lgput.out");

long long n, p, x, y, c;
const long long mod=1999999973;

int putere(long long n, int p)
{
    long long sol=1;
    for(int i=1; i<=p;i<<=1)
    {
        if((p&i))
           sol=(sol*n)%mod;
        n=(n*n)%mod;
    }
    return sol;
}

int main()
{
    cin>>n>>p;
//    long long sol=1;
//    for(int i=0; (1<<i)<=p;i++)
//    {
//        if(((1<<i) & p)>0)
//           sol=(sol*n)%mod;
//        n=(n*n)%mod;
//    }
//    cout<<sol;
    cout<<putere(n,p);
}