vault backup: 2022-05-12 16:22:01

数据结构与算法之美/数据结构 - 链表.md

@@ -1,3 +1,6 @@
+
+
+
 ## 数组转换成链表
 
 ```typescript
@@ -49,4 +52,41 @@ const reverseLinkedList = (LinkedList: LinkedList) => {
 };
 ```
 
-## 使用链表实现队列
+## 使用链表实现队列
+
+```typescript
+interface LinkedList {
+	value: number | null;
+	next: LinkedList | null;
+}
+
+class LinkedListQueue {
+	private head: LinkedList | null = null;
+	private tail: LinkedList | null = null;
+	private len: number = 0;
+	
+	add(value: number) {
+		if (this.len === 0) {
+			this.head = { value, next: null };
+			this.tail = this.head;
+			this.len++;
+			return;
+		} 
+		this.tail.next = { value, next: null };
+		this.tail = this.tail.next;
+		this.len++;
+	}
+	
+	pop(): number {
+		if (!this.head || !this.tail) return;
+		const popValue = this.head.value;
+		this.head = this.head.next;
+		this.len--;
+		return popValue;
+	}
+	
+	get length() {
+		return this.len;
+	}
+}
+```