Free memory after removing

a node from a LinkedList or TreeNode.
2025-12-19 07:17:54 +08:00 · 2023-01-02 19:53:55 +08:00
parent 6b02449f22
commit 410c5d6b62
20 changed files with 69 additions and 140 deletions
--- a/docs/chapter_stack_and_queue/queue.md
+++ b/docs/chapter_stack_and_queue/queue.md
@@ -331,7 +331,10 @@ comments: true
        int poll() {
            int num = peek();
            // 删除头结点
+            ListNode *tmp = front;
            front = front->next;
+            // 释放内存
+            delete tmp; 
            queSize--;
            return num;
        }