Cod sursa(job #2282184)

Utilizator AndreiSorin26012001Cirpici Andrei Sorin AndreiSorin26012001 Data 13 noiembrie 2018 13:45:39
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.46 kb
#include <bits/stdc++.h>
#define DIM 500005
#define MODULO 1999999973
using namespace std;

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

long long a, b;

long long power( long long a, long long b )
{

    if( b == 1 )
        return a%MODULO;

    if( b % 2 == 0 )
        return (power( a*a, b/2 ))%MODULO;
    else
        return (a*power(a*a, b/2))%MODULO;
}

int main()
{
    in>>a>>b;
    out<<power(a, b);

    return 0;
}