Cod sursa(job #1516009)

Utilizator redducks100Andronache Simone redducks100 Data 2 noiembrie 2015 16:42:13
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.46 kb
#include <bits/stdc++.h>

using namespace std;

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

const int MOD = 1999999973;

 long long int Pow_Log( long long int x, long long int pow)
{
    if(pow==1)
    {
        return x;
    }
     long long int k = Pow_Log(x,pow/2);
    k=(k*k)%MOD;
    if(pow % 2 == 1)
    {
        k=(k*x)%MOD;
    }
    return k;
}

int main()
{
    long long int a,b;
    f>>a>>b;
    g<<Pow_Log(a,b);
    return 0;
}