Cod sursa(job #714414)
Utilizator | Data | 15 martie 2012 18:52:58 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <cstdio>
#define laPatrat(a) (a * a)
#define mod 1999999973
using namespace std;
int n;
int p;
int putere(int p)
{
if (p == 1){
return n;
}
if (p % 2 == 0){
return laPatrat (putere (p / 2)) % mod;
}
return (n * laPatrat (putere (p / 2))) % mod;
}
int main()
{
freopen ("lgput.in", "r", stdin);
freopen ("lgput.out", "w", stdout);
scanf ("%d %d", &n, &p);
printf ("%d\n", putere(p));
return 0;
}