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  1. #include <stdlib.h>
  2. struct l {
  3.   struct l *next;
  4.   int data;
  5. } *root = 0;
  6.  
  7. void free_l(struct l *p) {
  8.   if (p->next)
  9.     free_l(p->next);
  10.   free(p);
  11. }
  12.  
  13. #define N 10000000
  14. int main(int argc, char **argv) {
  15.   unsigned long i;
  16.   for (i = 0; i < N; i++) {
  17.     struct l *p = malloc(sizeof(struct l));
  18.     p->next = root;
  19.     root = p;
  20.   }
  21.   if (argc == 2) {
  22.     struct l *p = root, *q;
  23.     while (p) {
  24.       q = p->next;
  25.       free(p);
  26.       p = q;
  27.     }
  28.   } else if (argc ==1) {
  29.     free_l(root);
  30.   }
  31.   return 0;
  32. }
  33. /* end */
  34.  
Runtime error #stdin #stdout 0.81s 166080KB
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https://ideone.com/h1Gjuh
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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