Cod sursa(job #2193729)

Utilizator andreisavulescuSavulescu Andrei andreisavulescu Data 11 aprilie 2018 11:17:39
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.54 kb
#include <fstream>

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
const int MOD = 1999999973;
long long putere(long long a, long long p)
{
    long long val = 1, x = a % MOD;
    while(p > 0)
        {
            if(p % 2 != 0)
                {
                    val = val * x % MOD;
                    p--;
                }
            x = x * x % MOD;
            p /= 2;
        }
    return val;
}
int main()
{
    long long N, P;
    f >> N >> P;
    g << putere(N, P);
    return 0;
}