goden0203

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Published: Aug 9, 2023 License: GPL-3.0 Imports: 2 Imported by: 0

README

面试题 02.03.删除中间节点

1. 题目描述

若链表中的某个节点,既不是链表头节点,也不是链表尾节点,则称其为该链表的「中间节点」。

假定已知链表的某一个中间节点,请实现一种算法,将该节点从链表中删除。

例如,传入节点  c (位于单向链表  a->b->c->d->e->f  中),将其删除后,剩余链表为  a->b->d->e->f

 

示例:

输入:节点 5 (位于单向链表 4->5->1->9 中)
输出:不返回任何数据,从链表中删除传入的节点 5,使链表变为 4->1->9

 

标签 链表

2. 解题

将该节点之后的所有节点值向前复制,然后舍弃最后的节点

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type ListNode

type ListNode struct {
	Val  int
	Next *ListNode
}

func BuildCircleListWithNoHead

func BuildCircleListWithNoHead(list []int, cursor int) *ListNode

BuildCircleListWithNoHead build a circle list, which tail point to list[cursor]

func BuildListWithHead

func BuildListWithHead(data []int) *ListNode

func BuildListWithNoHead

func BuildListWithNoHead(nums []int) *ListNode

func (*ListNode) HasCycle

func (l *ListNode) HasCycle() (bool, *ListNode)

HasCycle check if linklist has cycle structure, if not, return false, nil, if yes, return true and the cycle start node

func (*ListNode) Index

func (l *ListNode) Index(target int) *ListNode

Index return the node which value equals target

func (*ListNode) Len

func (l *ListNode) Len() int

Len return list length, when list has cycle structure, return -1

func (*ListNode) Slice

func (l *ListNode) Slice() []int

Slice return slice which contains all node's values in order.

func (*ListNode) String

func (l *ListNode) String() string

String implements Stringer interface.

func (*ListNode) Tail

func (l *ListNode) Tail() *ListNode

Tail return last list node

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