Cod sursa(job #1456246)
Utilizator | Data | 30 iunie 2015 10:50:32 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <cstdio>
#include <algorithm>
using namespace std;
int n,p;
int putere(int a, int n)
{
int x;
if (n == 0)
return 1;
x = putere(a * a, n / 2 );
if (n % 2)
x *= a;
return x;
}
int main()
{
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
scanf("%d %d",&n, &p);
printf("%d\n", putere(n, p));
return 0;
}