Fine tune.

This commit is contained in:
Yudong Jin
2022-12-20 21:02:09 +08:00
parent 6e715728ee
commit edf100ec01
3 changed files with 15 additions and 13 deletions

View File

@ -7,10 +7,10 @@
/* 基于环形数组实现的队列 */
class ArrayQueue {
#queue; // 用于存储队列元素的数组
#front = 0; // 头指针,指向队首
#rear = 0; // 尾指针,指向队尾 + 1
#CAPACITY = 1e5;
#queue; // 用于存储队列元素的数组
#front = 0; // 头指针,指向队首
#rear = 0; // 尾指针,指向队尾 + 1
#CAPACITY = 1e3; // 默认初始容量
constructor(capacity) {
this.#queue = new Array(capacity ?? this.CAPACITY);
@ -34,10 +34,8 @@ class ArrayQueue {
/* 入队 */
offer(num) {
if (this.size == this.capacity) {
console.log("队列已满");
return;
}
if (this.size == this.capacity)
throw new Error("队列已满");
// 尾结点后添加 num
this.#queue[this.#rear] = num;
// 尾指针向后移动一位,越过尾部后返回到数组头部
@ -56,14 +54,14 @@ class ArrayQueue {
peek() {
// 删除头结点
if (this.empty())
throw new Error("The queue is empty!");
throw new Error("队列为空");
return this.#queue[this.#front];
}
/* 访问指定索引元素 */
get(index) {
if (index >= this.size)
throw new Error("Index out of bounds!");
throw new Error("索引越界");
return this.#queue[(this.#front + index) % this.capacity];
}
@ -80,6 +78,8 @@ class ArrayQueue {
}
}
/* Driver Code */
/* 初始化队列 */
const capacity = 10;
const queue = new ArrayQueue(capacity);