Cod sursa(job #2956921)
Utilizator | Data | 21 decembrie 2022 10:44:40 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <iostream>
using namespace std;
istream fin("lgput.in");
ofstream fout("lgput.out");
int log_exp(long long a, long long b) {
if (b == 1) {
return a;
}
if (b % 2 == 0) {
return log_exp(a, b / 2) * log_exp(a, b / 2);
}
return a * log_exp(a, b - 1);
}
int main() {
long long a, b;
fin >> a >> b;
fout << log_exp(a, b) % 1999999973;
}