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  1. #include <iostream>
  2. using namespace std;
  3. struct node{
  4. 	int data;///函数的返回值类型 函数名(参数类型 参数名)
  5. 	node *next;///是下一个朋友的房间号
  6. };
  7. node *createList(int n)
  8. {
  9. 	node *head,*p;
  10. 	head = p = new node;///
  11. 	cin >> p->data;
  12. 	n--;
  13. 	while(n)
  14. 	{
  15. 		node *q = new node;
  16. 		cin >> q->data;
  17. 		p->next = q;
  18. 		p = p->next;
  19. 		n--;
  20. 	}
  21. 	p->next = NULL;
  22. 	return head;
  23. }
  24. void print(node *p)
  25. {
  26. 	while(p!=NULL)
  27. 	{
  28. 		cout << p->data << " ";
  29. 		p = p->next;
  30. 	}
  31. }
  32. int main() {
  33. 	int n;
  34. 	cin >> n;
  35. 	node *head = createList(n);
  36. 	print(head)
  37. 	/*
  38. 	把构建链表和输出链表写成函数
  39. 	构建链表的函数需要返回值？需要头指针作为返回值
  40. 	输出链表的函数需要返回值？不需要返回值，用void
  41.  
  42. 	int n;
  43. 	cin >> n;
  44. 	node *head,*p;
  45. 	head = p = new node;
  46. 	cin >> p->data;
  47. 	n--;
  48. 	while(n)
  49. 	{
  50. 		node *q = new node;
  51. 		cin >> q->data;
  52. 		p->next = q;
  53. 		p = p->next;
  54. 		n--;
  55. 	}
  56. 	p->next = NULL;
  57.  
  58. 	p = head;
  59. 	while(p!=NULL)
  60. 	{
  61. 		cout << p->data << " ";
  62. 		p = p->next;
  63. 	}
  64. 	*/
  65. 	return 0;
  66. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:36:13: error: expected ‘;’ before ‘return’
  print(head)
             ^
             ;
prog.cpp:65:2:
  return 0;
  ~~~~~~
stdout
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Standard output is empty
https://ideone.com/jh3nl7
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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