README.md

Author: bestgopher

README.md

@@ -1,6 +1,6 @@
 # leetcode
 
-当前已刷：222
+当前已刷：223
 
 ### 题目
 - 1：两数之和
@@ -363,6 +363,9 @@
 - 222：完全二叉树的节点个数
     - [src](https://github.com/rustors/leetcode/blob/main/src/bin/count-complete-tree-nodes.rs)
     - [leetcode](https://leetcode-cn.com/problems/count-complete-tree-nodes/)
+- 223：矩形面积
+    - [src](https://github.com/rustors/leetcode/blob/main/src/bin/rectangle-area.rs)
+    - [leetcode](https://leetcode-cn.com/problems/rectangle-area/)
 - 225：用队列实现栈
     - [src](https://github.com/rustors/leetcode/blob/main/src/bin/implement-stack-using-queues.rs)
     - [leetcode](https://leetcode-cn.com/problems/implement-stack-using-queues/)