Cod sursa(job #3264407)
Utilizator | Data | 20 decembrie 2024 23:59:19 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <iostream>
#include <fstream>
int hatvany(int a, int b){
if(b == 0){
return 1;
}
else if(b%2 == 0){
return hatvany(a*a, b/2);
}
else {
return a * hatvany(a*a, (b-1)/2);
}
}
int main(){
std::ifstream input("lgput.in");
std::ofstream output("lgput.out");
int a, b;
input >> a >> b;
output << hatvany(a, b);
return 0;
}