Sync zh and zh-hant versions.

zh-hant/codes/go/chapter_stack_and_queue/array_deque.go

@@ -72,6 +72,9 @@ func (q *arrayDeque) pushLast(num int) {
 /* 佇列首出列 */
 func (q *arrayDeque) popFirst() any {
 	num := q.peekFirst()
+	if num == nil {
+		return nil
+	}
 	// 佇列首指標向後移動一位
 	q.front = q.index(q.front + 1)
 	q.queSize--
@@ -81,6 +84,9 @@ func (q *arrayDeque) popFirst() any {
 /* 佇列尾出列 */
 func (q *arrayDeque) popLast() any {
 	num := q.peekLast()
+	if num == nil {
+		return nil
+	}
 	q.queSize--
 	return num
 }

zh-hant/codes/go/chapter_stack_and_queue/array_queue.go

@@ -49,6 +49,10 @@ func (q *arrayQueue) push(num int) {
 /* 出列 */
 func (q *arrayQueue) pop() any {
 	num := q.peek()
+	if num == nil {
+		return nil
+	}
+
 	// 佇列首指標向後移動一位，若越過尾部，則返回到陣列頭部
 	q.front = (q.front + 1) % q.queCapacity
 	q.queSize--

zh-hant/codes/go/chapter_stack_and_queue/queue_test.go

@@ -46,9 +46,13 @@ func TestQueue(t *testing.T) {
 }
 
 func TestArrayQueue(t *testing.T) {
+
 	// 初始化佇列，使用佇列的通用介面
 	capacity := 10
 	queue := newArrayQueue(capacity)
+	if queue.pop() != nil {
+		t.Errorf("want:%v,got:%v", nil, queue.pop())
+	}
 
 	// 元素入列
 	queue.push(1)

zh-hant/codes/rust/chapter_backtracking/permutations_i.rs

@@ -23,7 +23,7 @@ fn backtrack(mut state: Vec<i32>, choices: &[i32], selected: &mut [bool], res: &
             backtrack(state.clone(), choices, selected, res);
             // 回退：撤銷選擇，恢復到之前的狀態
             selected[i] = false;
-            state.remove(state.len() - 1);
+            state.pop();
         }
     }
 }

zh-hant/codes/rust/chapter_backtracking/permutations_ii.rs

@@ -27,7 +27,7 @@ fn backtrack(mut state: Vec<i32>, choices: &[i32], selected: &mut [bool], res: &
             backtrack(state.clone(), choices, selected, res);
             // 回退：撤銷選擇，恢復到之前的狀態
             selected[i] = false;
-            state.remove(state.len() - 1);
+            state.pop();
         }
     }
 }

zh-hant/docs/index.html

@@ -286,6 +286,14 @@
                         <br><sub>Zig, Rust</sub>
                     </a>
                 </div>
+                <div class="profile-cell">
+                    <a href="https://github.com/curtishd">
+                        <img class="profile-img" src="../assets/avatar/avatar_curtishd.jpg"
+                            alt="Reviewer: curtishd" />
+                        <br><b>curtishd</b>
+                        <br><sub>Kotlin</sub>
+                    </a>
+                </div>
                 <div class="profile-cell">
                     <a href="https://github.com/Gonglja">
                         <img class="profile-img" src="../assets/avatar/avatar_Gonglja.jpg" alt="Reviewer: Gonglja" />