Cod sursa(job #1348823)
| Utilizator | Data | 19 februarie 2015 21:14:37 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.41 kb |
#include <stdio.h>
using namespace std;
int putere (int a, int b){
if(b==0) return 1;
if(b==1) return a;
else{
if(b%2==0) return putere(a,b/2)*putere(a,b/2);
else return a*putere(a,b/2)*putere(a,b/2);
}
}
int main()
{
int m,n;
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
scanf("%d %d", &m, &n);
printf("%d", putere(m,n));
return 0;
}
