Cod sursa(job #757663)
| Utilizator | Data | 12 iunie 2012 21:38:23 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.45 kb |
#include <cstdio>
#define MOD 1999999973
using namespace std;
FILE *f = fopen ("lgput.in","r");
FILE *g = fopen ("lgput.out","w");
int main()
{
long long N, P, sol = 1;
fscanf (f, "%d%d", &N, &P);
N %= MOD;
while (P)
{
if (P % 2 == 1)
{
sol = (sol * N) % MOD;
N = (N * N) % MOD;
}
else
N = (N * N) % MOD;
P /= 2;
}
fprintf (g, "%d\n", sol);
fclose(f);
fclose(g);
return 0;
}
