Cod sursa(job #3264546)

Utilizator Andercau_VasileAndercau Vasile Andercau_Vasile Data 22 decembrie 2024 12:54:09
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.48 kb
#include <fstream>
using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

const long long MOD = 1999999973;

long long exponentiere(long long a, long long b) {
    long long p = 1;
    while (b) {
        if (b % 2) {
            p *= a;
            p %= MOD;
        }
        a *= a;
        a %= MOD;
        b /= 2;
    }
    return p;
}

int main() {
    long long n, p;
    fin >> n >> p;

    fout << exponentiere(n, p);
    return 0;
}