Cod sursa(job #744257)
Utilizator | Bogatu Adrian ciorile.chioare | Data | 8 mai 2012 09:30:41 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <cstdio>
int lgput(int n, int p, int m) {
if(!p)
return 1;
if(p & 1)
return lgput(n * n, p >> 1, m) % m * n %m;
else
return lgput(n * n, p >> 1, m) % m;
}
int main(void) {
int n, p;
FILE *in = fopen("lgput.in", "r");
FILE *out = fopen("lgput.out", "w");
fscanf(in, "%d%d", &n, &p);
fprintf(out, "%d\n", lgput(n, p, 1999999973));
return 0;
}