Cod sursa(job #2348008)

Utilizator Arina2003Arina Aioanei Arina2003 Data 19 februarie 2019 11:58:52
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.48 kb
#include <iostream>
#include <fstream>

using namespace std;

const long MOD = 1999999973;

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

int a,p;

long long powlg(long long a, long long p)
{
    long long val=1, x=a%MOD;
    while(p>0)
    {
        if(p%2==0)
        {   x=x*x%MOD;
            p/=2;
        }
        else
        {
            val=val*x%MOD;
        }
    }
    return val;
}
int main()
{   f>>a>>p;
    g<<powlg(a,p);
    return 0;
}