Cod sursa(job #2669238)

Utilizator bogdan2604Bogdan Dumitrescu bogdan2604 Data 6 noiembrie 2020 15:53:00
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.42 kb
#include <fstream>
#define mod 1999999973

using namespace std;

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

long long a,b;

long long pow(long long a, long long b)
{
    long long rez = 1;
    while(b)
    {
        if(b & 1)
            rez = (rez * a) % mod;
        a = (a * a) % mod;
        b >>= 1;
    }
    return rez;
}

int main()
{
    f >> a >> b;
    g << pow(a,b);

    return 0;
}