Cod sursa(job #2187284)

Utilizator BlkAlexAlex Negru BlkAlex Data 26 martie 2018 12:55:39
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.41 kb
#include <bits/stdc++.h>
#define nr 1999999973

using namespace std;

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

long long n, p, rez;

long long exp(long long n, long long p){
    if(p==0) return 1;
    if(p==1) return n;
    if(p%2==0) return exp(n*n%nr, p/2)%nr;
    if(p%2==1) return n*exp(n*n%nr, (p-1)/2)%nr;
}

int main()
{
    f>>n>>p;
    rez=exp(n, p);
    g<<rez;
    return 0;
}