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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. struct Node
  6. {
  7.     int x;
  8.     Node *next;
  9. };
  10.  
  11. void sort(Node *head)
  12. {
  13.     Node *p = head;
  14.     bool modified = false;
  15.     while (1)
  16.     {
  17.         if (p->next == NULL) { if (!modified) { return; } p = head; modified = false; }
  18.  
  19.         if (p->x < p->next->x) { swap(p->x, p->next->x); modified = true; }
  20.  
  21.         p = p->next;
  22.     }
  23. }
  24.  
  25. int main()
  26. {
  27.     Node *head = new Node;
  28.     head->x    = 5;
  29.     head->next = new Node;
  30.     head->next->x    = 10;
  31.     head->next->next = new Node;
  32.     head->next->next->x    = 2;
  33.     head->next->next->next = new Node;
  34.     head->next->next->next->x    = 13;
  35.     head->next->next->next->next = NULL;
  36.     sort(head);
  37.     for (Node *p = head; p != NULL; p = p->next) { cout << p->x << "\n"; }
  38. }
Success #stdin #stdout 0.02s 2856KB
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13
10
5
2
https://ideone.com/TgWpt
language:
C++ (gcc 8.3)
created:
14 years ago
visibility:
public

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