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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. enum {
  5. 	MINVAL = 0,
  6. 	MAXVAL = 500,
  7. 	NELEMS = MAXVAL - MINVAL + 1,
  8. 	NUMBERS = 5,
  9. 	ZERO_BASED = 1
  10. };
  11.  
  12. struct node {
  13. 	int val;
  14. 	struct node *next;
  15. };
  16.  
  17. struct node *new(int v, struct node *np)
  18. {
  19. 	static struct node mem[NUMBERS];
  20. 	static int n;
  21.  
  22. 	mem[n].val = v;
  23. 	mem[n].next = np;
  24. 	return mem + n++;
  25. }
  26.  
  27. int main(void)
  28. {
  29. 	static struct node *a[NELEMS];
  30. 	struct node *np;
  31. 	int i, r;
  32.  
  33. 	for (i = 0; i < NUMBERS; i++) {
  34. 		printf(" %d", (r = rand() / (RAND_MAX / NELEMS)) + 1);
  35. 		a[r] = new(i, a[r]);
  36. 	}
  37. 	puts("");
  38. 	for (i = 0; i < NELEMS; i++)
  39. 		for (np = a[i]; np; np = np->next)
  40. 			printf(" %d", np->val + !ZERO_BASED);
  41. 	puts("");
  42. 	return 0;
  43. }
Success #stdin #stdout 0s 1788KB
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https://ideone.com/S9BEkQ
language:
C (gcc 8.3)
created:
12 years ago
visibility:
secret

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