Cod sursa(job #2278300)

Utilizator daru06Daria Culac daru06 Data 7 noiembrie 2018 16:49:12
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.53 kb
#include <fstream>
#define MOD 1999999973
using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");

long long putere (long long n, long long p)
{
    long long ans=1;
    while(p>0)
    {
        if(p%2==0)
        {
            n=(n*n)%MOD;
            p/=2;
        }
    else
        {
            ans=(ans*n)%MOD;
            p--;
        }
    }
    return ans;
}

int main()
{
    long long n,p;
    f>>n>>p;
    n=n%MOD;
    g<<putere(n,p);
    f.close();
    g.close();
    return 0;
}