Cod sursa(job #2378373)

Utilizator bcosminbcosmin bcosmin Data 12 martie 2019 09:12:20
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.58 kb
#include <bits/stdc++.h>
#define Mod 1999999973
using namespace std;
long long lgnp(long long n, long long p)
{
    long long r = 1, rez;
    if(p == 0) return 1;
    while(p > 1)
    {
        if(p % 2 == 0) n = (n * n) % Mod;
        else
        {
            r = (n * r) % Mod;
            n = (n * n) % Mod;
        }
        p = p / 2;
    }
    rez = (r * n) % Mod;
    return rez;
}
long long a, b;
int main()
{
    ifstream f("lgput.in");
    ofstream g("lgput.out");
    f >> a >> b;
    g << lgnp(a, b);
    f.close();
    g.close();
    return 0;

}