Cod sursa(job #1390590)
Utilizator | Iacob Radu raduraradu | Data | 17 martie 2015 10:17:32 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <cstdio>
#include <cstring>
#define n_max 10001
#define m 1999999973
int main()
{
unsigned int i, n, p;
long long a, sol = 1;
freopen("lgput.in","r",stdin);
freopen("lgput.out","w",stdout);
scanf("%d %d", &n, &p);
a = n;
for (i = 0; (1<<i) <= p; ++ i)
{
if ( ((1<<i) & p) > 0)
sol= (sol * a) % m;
a=(a * a) % m;
}
printf("%lld\n", sol);
return 0;
}