Cod sursa(job #2481648)

Utilizator maria_isailaMaria Isaila maria_isaila Data 27 octombrie 2019 10:38:51
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.5 kb
#include <iostream>
#include <fstream>
#define MOD 1999999973

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long rtp(long long n, long long p)
{
    if(p==0)
    {
        return 1;
    }
    if(p==1)
    {
        return n%MOD;
    }
    if(p%2==0)
    {
        return rtp((n*n)%MOD, p/2);
    }
    if(p%2==1)
    {
        return n*rtp((n*n)%MOD, (p-1)/2)%MOD;
    }
}
int main()
{

    int n, p;
    f>>n>>p;
    g<<rtp(n, p);
    return 0;
}