Update binary_tree.md (#1618)

* Update binary_tree.md * Update binary_tree.md Thank you for the fix! --------- Co-authored-by: Yudong Jin <krahets@163.com>
2025-01-21 06:29:09 -05:00 · 2025-01-21 06:29:09 -05:00 · 4db90555a7
commit 4db90555a7
parent aa8a7f59d3
1 changed files with 4 additions and 0 deletions
--- a/docs/chapter_tree/binary_tree.md
+++ b/docs/chapter_tree/binary_tree.md
@ -493,6 +493,8 @@
    P->left = n2;
    // 删除节点 P
    n1->left = n2;
+    // 释放内存
+    delete P;
    ```

 === "Java"
@ -598,6 +600,8 @@
    P->left = n2;
    // 删除节点 P
    n1->left = n2;
+    // 释放内存
+    free(P);
    ```

 === "Kotlin"