Cod sursa(job #2746372)

Utilizator mihaicrisanMihai Crisan mihaicrisan Data 27 aprilie 2021 19:08:22
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.4 kb
#include <fstream>

#define MOD 1999999973

using namespace std;

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

int putere(int a, int n){
    int p = 1;
    while (n >= 1){
        if (n % 2)
            p = (p * a) % MOD;
        a = (a * a) % MOD;
        n /= 2;
    }
    return p;
}

int main(){
    int n, p;
    fin >> n >> p;
    fout << putere(n, p);
    return 0;
}