Cod sursa(job #3264405)
Utilizator | Data | 20 decembrie 2024 23:41:54 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include <iostream>
#include <fstream>
int hatvany(int a, int b){
if(b == 2){
return a*a;
}
else if(b%2 == 0){
return hatvany(hatvany(a, b/2), 2);
}
else {
return hatvany(hatvany(a, b/2), 2) * a;
}
}
int main(){
std::ifstream input("lgput.in");
std::ofstream output("lgput.out");
int a, b;
input >> a >> b;
output << hatvany(a, b);
return 0;
}