Cod sursa(job #2569370)
Utilizator | Data | 4 martie 2020 11:56:35 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.39 kb |
#include<fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long Putere(long long A, long long n) {
long long P = 1;
while (n)
{
if (n % 2 == 1)
P = P * A;
A = A * A;
n /= 2;
}
return P;
}
int main() {
long long a, b;
fin >> a >> b;
fout << Putere(a, b);
return 0;
}