Cod sursa(job #1921358)
Utilizator | Data | 10 martie 2017 12:21:53 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <cstdio>
using namespace std;
int a, b;
int putere(int a, int b)
{
if(b==0)
return 1;
if(b%2==0)
return putere(a*a, b/2);
return putere(a, b-1)*a;
}
int main()
{
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
scanf("%d %d", &a, &b);
printf("%d", putere(a, b));
return 0;
}