数据结构和算法基础之循环链表

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{

    /// <summary>
    /// 循环链表
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public class CircleLinkList<T>
    {
        public Node<T> Head;
        public CircleLinkList()
        {
            Head = null;
        }
        /// <summary>
        /// 增加
        /// </summary>
        /// <param name="data"></param>
        public void Add(T data)
        {
            Node<T> newNode = new Node<T>(data);
            Node<T> tmpNode = new Node<T>();
            if(Head==null)
            {
                Head = new Node<T>();
            }
            tmpNode = Head;
            while(tmpNode.Next!=null&& tmpNode.Next!= Head)
            {
                tmpNode = tmpNode.Next;
            }
            tmpNode.Next = newNode;
            newNode.Next = Head;
        }

        /// <summary>
        /// 在i位置前面插入节点
        /// </summary>
        /// <param name="data"></param>
        /// <param name="i"></param>
        public void Insert(T data, int i)
        {
            Node<T> newNode = new Node<T>(data);
            Node<T> tmpNode = new Node<T>();
            tmpNode = Head;
            
            int j = 0;
            while (j < i - 1 && tmpNode.Next != null)
            {
                tmpNode = tmpNode.Next;
                j++;
            }
            newNode.Next = tmpNode.Next;
            tmpNode.Next = newNode;
        }

        /// <summary>
        /// 删除节点
        /// </summary>
        /// <param name="i"></param>
        public void Delete(int i)
        {
            int j = i;
            Node<T> tmpNode = new Node<T>();
            tmpNode = Head;
            while (j > 0 && tmpNode.Next != null)
            {
                tmpNode = tmpNode.Next;
                j--;
            }
            Node<T> curNode = tmpNode.Next;
            tmpNode.Next = curNode.Next;
        }
        /// <summary>
        /// 输出整个链表
        /// </summary>
        public void PrintLinkList()
        {
            Node<T> tmpNode = Head;
            while (tmpNode.Next != Head)
            {
                tmpNode = tmpNode.Next;
                Console.WriteLine(tmpNode.Data);
            }
            
        }
    }
}