Cod sursa(job #601256)
Utilizator | Data | 5 iulie 2011 17:58:10 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | c | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include <stdio.h>
#define mod 1999999973
int putere(int x, int n)
{
if(n == 0)
return 1;
if(n % 2 == 1)
return (x * putere(x, (n-1)/2) * putere(x, (n-1)/2));
return (putere(x, n/2) * putere(x, n/2));
}
int main()
{
freopen("lgput.in", "r", stdin);
freopen("lgput.out", "w", stdout);
int n, p;
scanf("%d %d", &n, &p);
printf("%d", putere(n, p)% mod);
return 0;
}