Update the access() function of linked_list

2025-11-03 05:27:55 +08:00 · 2023-01-10 00:46:04 +08:00
parent aaa2ff29f9
commit d6d6a16c7e
7 changed files with 13 additions and 12 deletions
--- a/codes/go/chapter_array_and_linkedlist/linked_list.go
+++ b/codes/go/chapter_array_and_linkedlist/linked_list.go
@ -29,10 +29,10 @@ func removeNode(n0 *ListNode) {
 /* 访问链表中索引为 index 的结点 */
 func access(head *ListNode, index int) *ListNode {
 	for i := 0; i < index; i++ {
-		head = head.Next
 		if head == nil {
 			return nil
 		}
+		head = head.Next
 	}
 	return head
 }