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https://github.com/krahets/hello-algo.git
synced 2024-12-25 13:26:30 +08:00
Modify some formats.
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0a0374efa0
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4 changed files with 36 additions and 22 deletions
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@ -6,7 +6,9 @@ namespace hello_algo.chapter_array_and_linkedlist
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{
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public class Array
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{
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//随机返回一个数组元素
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/// <summary>
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/// 随机返回一个数组元素
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/// </summary>
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public static int RandomAccess(int[] nums)
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{
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Random random = new();
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@ -15,7 +17,9 @@ namespace hello_algo.chapter_array_and_linkedlist
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return randomNum;
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}
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//扩展数组长度
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/// <summary>
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/// 扩展数组长度
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/// </summary>
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public static int[] Extend(int[] nums, int enlarge)
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{
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// 初始化一个扩展长度后的数组
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@ -29,7 +33,9 @@ namespace hello_algo.chapter_array_and_linkedlist
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return res;
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}
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//在数组的索引 index 处插入元素 num
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/// <summary>
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/// 在数组的索引 index 处插入元素 num
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/// </summary>
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public static void Insert(int[] nums, int num, int index)
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{
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// 把索引 index 以及之后的所有元素向后移动一位
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@ -41,7 +47,9 @@ namespace hello_algo.chapter_array_and_linkedlist
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nums[index] = num;
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}
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//删除索引 index 处元素
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/// <summary>
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/// 删除索引 index 处元素
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/// </summary>
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public static void Remove(int[] nums, int index)
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{
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// 把索引 index 之后的所有元素向前移动一位
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@ -51,7 +59,9 @@ namespace hello_algo.chapter_array_and_linkedlist
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}
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}
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//遍历数组
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/// <summary>
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/// 遍历数组
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/// </summary>
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public static void Traverse(int[] nums)
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{
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int count = 0;
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@ -67,7 +77,9 @@ namespace hello_algo.chapter_array_and_linkedlist
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}
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}
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//在数组中查找指定元素
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/// <summary>
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/// 在数组中查找指定元素
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/// </summary>
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public static int Find(int[] nums, int target)
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{
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for (int i = 0; i < nums.Length; i++)
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@ -78,7 +90,9 @@ namespace hello_algo.chapter_array_and_linkedlist
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return -1;
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}
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//辅助函数,数组转字符串
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/// <summary>
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/// 辅助函数,数组转字符串
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/// </summary>
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public static string ToString(int[] nums)
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{
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return string.Join(",", nums);
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@ -9,7 +9,7 @@ namespace hello_algo.chapter_array_and_linkedlist
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public class LinkedList
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{
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/// <summary>
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///在链表的结点 n0 之后插入结点 P
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/// 在链表的结点 n0 之后插入结点 P
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/// </summary>
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public static void Insert(ListNode n0, ListNode P)
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{
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@ -32,7 +32,7 @@ namespace hello_algo.chapter_array_and_linkedlist
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}
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/// <summary>
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///访问链表中索引为 index 的结点
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/// 访问链表中索引为 index 的结点
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/// </summary>
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public static ListNode Access(ListNode head, int index)
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{
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@ -5,7 +5,7 @@
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using NUnit.Framework;
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using Array = hello_algo.chapter_array_and_linkedlist.Array;
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namespace hello_algo.Test.chapter_array_and_linkedlist
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namespace hello_algo.test.chapter_array_and_linkedlist
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{
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[TestFixture]
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internal class ArrayTest
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@ -15,14 +15,14 @@ namespace hello_algo.Test.chapter_array_and_linkedlist
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[SetUp]
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public void setup()
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{
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//初始化数组
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// 初始化数组
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nums = new int[] { 1, 3, 2, 5, 4 };
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}
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[Test]
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public void TestRandomAccess()
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{
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//随机访问
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// 随机访问
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int randomNum = Array.RandomAccess(nums);
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Console.WriteLine($"在 nums 中获取随机元素 {randomNum}");
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Assert.Contains(randomNum, nums);
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@ -31,7 +31,7 @@ namespace hello_algo.Test.chapter_array_and_linkedlist
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[Test]
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public void TestExtend()
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{
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//长度扩展
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// 长度扩展
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int[] target = { 1, 3, 2, 5, 4, 0, 0, 0 };
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nums = Array.Extend(nums, 3);
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Console.WriteLine($"将数组长度扩展至 8 ,得到 nums = {Array.ToString(nums)}");
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@ -41,7 +41,7 @@ namespace hello_algo.Test.chapter_array_and_linkedlist
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[Test]
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public void TestInsert()
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{
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//插入元素
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// 插入元素
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int[] target = { 1, 3, 2, 6, 5 };
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Array.Insert(nums, 6, 3);
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Console.WriteLine($"在索引 3 处插入数字 6 ,得到 nums = {Array.ToString(nums)}");
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@ -51,7 +51,7 @@ namespace hello_algo.Test.chapter_array_and_linkedlist
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[Test]
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public void TestRemove()
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{
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//删除元素
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// 删除元素
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int[] target = { 1, 3, 5, 4, 4 };
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Array.Remove(nums, 2);
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Console.WriteLine($"删除索引 2 处的元素,得到 nums = {Array.ToString(nums)}");
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@ -61,7 +61,7 @@ namespace hello_algo.Test.chapter_array_and_linkedlist
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[Test]
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public void TestFind()
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{
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//查找元素
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// 查找元素
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int index = Array.Find(nums, 3);
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Console.WriteLine("在 nums 中查找元素 3 , 得到索引 = " + index);
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Assert.AreEqual(1, index);
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@ -6,7 +6,7 @@ using hello_algo.chapter_array_and_linkedlist;
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using hello_algo.include;
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using NUnit.Framework;
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namespace hello_algo.Test.chapter_array_and_linkedlist
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namespace hello_algo.test.chapter_array_and_linkedlist
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{
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[TestFixture]
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internal class LinkedListTest
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@ -36,7 +36,7 @@ namespace hello_algo.Test.chapter_array_and_linkedlist
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[Test]
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public void CheckInit()
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{
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//检查初始化是否正确
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// 检查初始化是否正确
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Console.WriteLine($"初始化的链表为{n0}");
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Assert.AreEqual(n0.ToString(), "1->3->2->5->4");
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}
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@ -44,7 +44,7 @@ namespace hello_algo.Test.chapter_array_and_linkedlist
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[Test]
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public void TestInsert()
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{
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//插入结点
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// 插入结点
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LinkedList.Insert(n0, new ListNode(0));
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Console.WriteLine($"插入结点后的链表为{n0}");
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Assert.AreEqual(n0.ToString(), "1->0->3->2->5->4");
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@ -53,7 +53,7 @@ namespace hello_algo.Test.chapter_array_and_linkedlist
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[Test]
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public void TestRemove()
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{
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//删除结点
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// 删除结点
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LinkedList.Remove(n0);
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Console.WriteLine($"删除节点后的链表为{n0}");
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Assert.AreEqual(n0.ToString(), "1->2->5->4");
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[Test]
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public void TestAccess()
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{
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//访问结点
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// 访问结点
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var node = LinkedList.Access(n0, 3);
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Console.WriteLine($"链表中索引 3 处的结点的值 ={node.val}");
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Assert.AreEqual(node.val, 5);
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[Test]
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public void TestFind()
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{
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//查找结点
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// 查找结点
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int index = LinkedList.Find(n0, 2);
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Console.WriteLine($"链表中值为 2 的结点的索引 = {index}");
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Assert.AreEqual(index, 2);
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