1. 链表

1.1.1. 链表分类

  • 单链表
  • 双链表
  • 环链表

1.1.2. 时间复杂度

  • 修改(增删改)时间复杂度 O(1)
  • 查询时间复杂度O(n)
package linkedList

import "fmt"

type Node struct {
    Data      int
    NextPoint *Node
    PrePoint  *Node
}

type LinkedList struct {
    head    *Node
    current *Node
    tail    *Node
}

func CreatLinkedList() {
    data := []int{1, 21, 31, 51, 62, 2, 3, 42, 33, 12, 12}
    link := LinkedList{}
    var currentNode *Node
    for i := 0; i < len(data); i++ {
        currentNode = new(Node)
        currentNode.Data = data[i]
        insertNode(&link, currentNode)
    }
    showLinkedList(link)
}

func showLinkedList(link LinkedList) {
    var currentNode *Node
    currentNode = link.head
    for {
        fmt.Println("Node:", currentNode.Data)
        if currentNode.NextPoint == nil {
            break
        } else {
            currentNode = currentNode.NextPoint
        }
    }
}

func insertNode(link *LinkedList, node *Node) {
    if link.head == nil {
        link.head = node
        link.tail = node
        link.current = node
    } else {
        link.tail.NextPoint = node
        node.PrePoint = link.tail
        link.tail = node
    }
}

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