mirror of
https://github.com/krahets/hello-algo.git
synced 2025-11-02 21:24:53 +08:00
feat: Revised the book (#978)
* Sync recent changes to the revised Word. * Revised the preface chapter * Revised the introduction chapter * Revised the computation complexity chapter * Revised the chapter data structure * Revised the chapter array and linked list * Revised the chapter stack and queue * Revised the chapter hashing * Revised the chapter tree * Revised the chapter heap * Revised the chapter graph * Revised the chapter searching * Reivised the sorting chapter * Revised the divide and conquer chapter * Revised the chapter backtacking * Revised the DP chapter * Revised the greedy chapter * Revised the appendix chapter * Revised the preface chapter doubly * Revised the figures
This commit is contained in:
@ -37,11 +37,11 @@ public class array {
|
||||
for (int i = nums.length - 1; i > index; i--) {
|
||||
nums[i] = nums[i - 1];
|
||||
}
|
||||
// 将 num 赋给 index 处元素
|
||||
// 将 num 赋给 index 处的元素
|
||||
nums[index] = num;
|
||||
}
|
||||
|
||||
/* 删除索引 index 处元素 */
|
||||
/* 删除索引 index 处的元素 */
|
||||
static void remove(int[] nums, int index) {
|
||||
// 把索引 index 之后的所有元素向前移动一位
|
||||
for (int i = index; i < nums.length - 1; i++) {
|
||||
|
||||
@ -57,7 +57,7 @@ public class linked_list {
|
||||
ListNode n2 = new ListNode(2);
|
||||
ListNode n3 = new ListNode(5);
|
||||
ListNode n4 = new ListNode(4);
|
||||
// 构建引用指向
|
||||
// 构建节点之间的引用
|
||||
n0.next = n1;
|
||||
n1.next = n2;
|
||||
n2.next = n3;
|
||||
|
||||
@ -28,7 +28,7 @@ public class list {
|
||||
nums.clear();
|
||||
System.out.println("清空列表后 nums = " + nums);
|
||||
|
||||
/* 尾部添加元素 */
|
||||
/* 在尾部添加元素 */
|
||||
nums.add(1);
|
||||
nums.add(3);
|
||||
nums.add(2);
|
||||
@ -36,7 +36,7 @@ public class list {
|
||||
nums.add(4);
|
||||
System.out.println("添加元素后 nums = " + nums);
|
||||
|
||||
/* 中间插入元素 */
|
||||
/* 在中间插入元素 */
|
||||
nums.add(3, 6);
|
||||
System.out.println("在索引 3 处插入数字 6 ,得到 nums = " + nums);
|
||||
|
||||
|
||||
@ -8,11 +8,11 @@ package chapter_array_and_linkedlist;
|
||||
|
||||
import java.util.*;
|
||||
|
||||
/* 列表类简易实现 */
|
||||
/* 列表类 */
|
||||
class MyList {
|
||||
private int[] arr; // 数组(存储列表元素)
|
||||
private int capacity = 10; // 列表容量
|
||||
private int size = 0; // 列表长度(即当前元素数量)
|
||||
private int size = 0; // 列表长度(当前元素数量)
|
||||
private int extendRatio = 2; // 每次列表扩容的倍数
|
||||
|
||||
/* 构造方法 */
|
||||
@ -20,7 +20,7 @@ class MyList {
|
||||
arr = new int[capacity];
|
||||
}
|
||||
|
||||
/* 获取列表长度(即当前元素数量) */
|
||||
/* 获取列表长度(当前元素数量) */
|
||||
public int size() {
|
||||
return size;
|
||||
}
|
||||
@ -45,7 +45,7 @@ class MyList {
|
||||
arr[index] = num;
|
||||
}
|
||||
|
||||
/* 尾部添加元素 */
|
||||
/* 在尾部添加元素 */
|
||||
public void add(int num) {
|
||||
// 元素数量超出容量时,触发扩容机制
|
||||
if (size == capacity())
|
||||
@ -55,7 +55,7 @@ class MyList {
|
||||
size++;
|
||||
}
|
||||
|
||||
/* 中间插入元素 */
|
||||
/* 在中间插入元素 */
|
||||
public void insert(int index, int num) {
|
||||
if (index < 0 || index >= size)
|
||||
throw new IndexOutOfBoundsException("索引越界");
|
||||
@ -111,7 +111,7 @@ public class my_list {
|
||||
public static void main(String[] args) {
|
||||
/* 初始化列表 */
|
||||
MyList nums = new MyList();
|
||||
/* 尾部添加元素 */
|
||||
/* 在尾部添加元素 */
|
||||
nums.add(1);
|
||||
nums.add(3);
|
||||
nums.add(2);
|
||||
@ -120,7 +120,7 @@ public class my_list {
|
||||
System.out.println("列表 nums = " + Arrays.toString(nums.toArray()) +
|
||||
" ,容量 = " + nums.capacity() + " ,长度 = " + nums.size());
|
||||
|
||||
/* 中间插入元素 */
|
||||
/* 在中间插入元素 */
|
||||
nums.insert(3, 6);
|
||||
System.out.println("在索引 3 处插入数字 6 ,得到 nums = " + Arrays.toString(nums.toArray()));
|
||||
|
||||
|
||||
Reference in New Issue
Block a user