09/10/23 08:10:48
>>210
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
int i, j, n, *p;
srand(time(NULL));
scanf("%d", &n);
p = malloc(n * sizeof(int));
for(i=0; i<n; i++) {
j = rand() / (RAND_MAX + 1.0) * (i + 1);
p[i] = p[j];
p[j] = i;
}
printf("[%d", p[0]);
for(i=1; i<n; i++) printf(" %d", p[i]);
printf("]\n");
free(p);
return 0;
}