添加项目文件。
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81
LeetCodeSharp.Fetcher/Fetcher.cs
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81
LeetCodeSharp.Fetcher/Fetcher.cs
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using System.Net.Http.Json;
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using System.Text.Json;
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using LeetCodeSharp.Fetcher.Models;
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namespace LeetCodeSharp.Fetcher;
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internal class Fetcher
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{
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private const string ProblemsUrl = "https://leetcode.cn/api/problems/algorithms/";
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private const string GraphQlUrl = "https://leetcode.cn/graphql";
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private readonly HttpClient _httpClient = new();
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private readonly JsonSerializerOptions _serializerOptions = new()
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{
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PropertyNameCaseInsensitive = true,
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PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower
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};
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public async Task<Problems> GetProblems()
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{
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var problems =
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await _httpClient.GetFromJsonAsync<Problems>(ProblemsUrl, _serializerOptions)
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?? throw new Exception("Failed to get problems.");
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return problems;
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}
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public async Task<Problem> GetProblem(uint questionId)
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{
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var problems = await GetProblems();
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var targetProblem = problems.StatStatusPairs.First(p =>
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{
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if (uint.TryParse(p.Stat.FrontendQuestionId, out var id))
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{
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return id == questionId;
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}
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return false;
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});
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if (targetProblem.PaidOnly)
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{
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throw new Exception("Target problem is paid only.");
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}
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if (targetProblem.Stat.QuestionTitleSlug is null)
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{
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throw new Exception("Failed to get problem title.");
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}
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var query = new Query(targetProblem.Stat.QuestionTitleSlug);
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var response = await _httpClient.PostAsJsonAsync(
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GraphQlUrl, query, _serializerOptions);
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response.EnsureSuccessStatusCode();
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var rawProblem = await JsonSerializer.DeserializeAsync<RawProblem>(
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await response.Content.ReadAsStreamAsync(), _serializerOptions)
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?? throw new Exception("Failed to get raw problem.");
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var returnType = rawProblem.Data.Question.MetaData.Replace("\"", "");
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return new Problem
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{
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Title = targetProblem.Stat.QuestionTitle
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?? throw new Exception("Failed to get question title"),
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TitleSlug = targetProblem.Stat.QuestionTitleSlug
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?? throw new Exception("Failed to get question title slug"),
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Content = rawProblem.Data.Question.Content,
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QuestionId = questionId,
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ReturnType = returnType,
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CodeDefinition = JsonSerializer.Deserialize<List<CodeDefinition>>(
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rawProblem.Data.Question.CodeDefinition, _serializerOptions)
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?? throw new Exception("Failed to get code definition.")
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};
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}
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}
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10
LeetCodeSharp.Fetcher/LeetCodeSharp.Fetcher.csproj
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10
LeetCodeSharp.Fetcher/LeetCodeSharp.Fetcher.csproj
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>
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13
LeetCodeSharp.Fetcher/Models/CodeDefinition.cs
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13
LeetCodeSharp.Fetcher/Models/CodeDefinition.cs
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using System.Text.Json.Serialization;
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namespace LeetCodeSharp.Fetcher.Models;
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internal class CodeDefinition
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{
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public required string Value { get; set; }
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public required string Text { get; set; }
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[JsonPropertyName("defaultCode")]
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public required string DefaultCode { get; set; }
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}
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79
LeetCodeSharp.Fetcher/Models/Problem.cs
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79
LeetCodeSharp.Fetcher/Models/Problem.cs
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using System.Text;
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namespace LeetCodeSharp.Fetcher.Models;
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internal class Problem
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{
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private const string Template = """
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/**
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* [__PROBLEM_ID__] __PROBLEM_TITLE__
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*/
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__EXTRA_USE__
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namespace LeetCodeSharp.Problems
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{
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// Submission codes start here
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__PROBLEM_CODE__
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// Submission codes end here
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}
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""";
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public required string Title { get; set; }
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public required string TitleSlug { get; set; }
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public required string Content { get; set; }
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public required List<CodeDefinition> CodeDefinition { get; set; }
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public required uint QuestionId { get; set; }
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public required string ReturnType { get; set; }
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public string GetFilename()
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{
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return $"p{QuestionId}_{TitleSlug.Replace('-', '_')}.cs";
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}
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public string GetFileContent()
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{
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var code = CodeDefinition.FirstOrDefault(c => c.Value == "csharp")
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?? throw new Exception("Target question has no C# version.");
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string template;
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if (code.DefaultCode.Contains("public class ListNode")
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|| code.DefaultCode.Contains("public class Point")
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|| code.DefaultCode.Contains("public class TreeNode")
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|| code.DefaultCode.Contains("public class Node"))
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{
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template = Template.Replace("__EXTRA_USE__", "using LeetCodeSharp.Utils;");
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}
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else
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{
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template = Template.Replace("__EXTRA_USE__", string.Empty);
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}
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return template.Replace("__PROBLEM_ID__", Title)
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.Replace("__PROBLEM_TITLE__", QuestionId.ToString())
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.Replace("__PROBLEM_CODE__", code.DefaultCode);
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}
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public override string ToString()
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{
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var builder = new StringBuilder();
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builder.Append("Title:").Append(Title).Append("\r\n");
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builder.Append("Title slug: ").Append(TitleSlug).Append("\r\n");
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builder.Append("Code definitions: \r\n");
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foreach (var definition in CodeDefinition)
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{
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builder.Append('\t').Append(definition.Value).Append("\r\n");
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}
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builder.Append("Return type: ").Append(ReturnType).Append("\r\n");
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return builder.ToString();
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}
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}
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6
LeetCodeSharp.Fetcher/Models/Problems.cs
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6
LeetCodeSharp.Fetcher/Models/Problems.cs
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namespace LeetCodeSharp.Fetcher.Models;
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internal class Problems
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{
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public required List<StatWithStatus> StatStatusPairs { get; set; }
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}
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31
LeetCodeSharp.Fetcher/Models/Query.cs
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31
LeetCodeSharp.Fetcher/Models/Query.cs
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using System.Text.Json.Serialization;
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namespace LeetCodeSharp.Fetcher.Models;
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internal class Query
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{
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[JsonPropertyName("operationName")]
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public string OperationName { get; init; }
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public Dictionary<string, string> Variables { get; } = [];
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[JsonPropertyName("query")]
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public string QueryString { get; init; }
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public Query(string title)
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{
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OperationName = "questionData";
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Variables.Add("titleSlug", title);
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QueryString = """
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query questionData($titleSlug: String!) {
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question(titleSlug: $titleSlug) {
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content
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stats
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codeDefinition
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sampleTestCase
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metaData
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}
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}
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""";
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}
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}
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29
LeetCodeSharp.Fetcher/Models/Question.cs
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29
LeetCodeSharp.Fetcher/Models/Question.cs
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using System.Text.Json.Serialization;
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namespace LeetCodeSharp.Fetcher.Models;
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internal class Question
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{
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public required string Content { get; set; }
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public required string Stats { get; set; }
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[JsonPropertyName("codeDefinition")]
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public required string CodeDefinition { get; set; }
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[JsonPropertyName("sampleTestCase")]
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public required string SampleTestCase { get; set; }
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[JsonPropertyName("metaData")]
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public required string MetaData { get; set; }
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}
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internal class Data
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{
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public required Question Question { get; set; }
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}
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internal class RawProblem
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{
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public required Data Data { get; set; }
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}
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35
LeetCodeSharp.Fetcher/Models/Stat.cs
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35
LeetCodeSharp.Fetcher/Models/Stat.cs
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using System.Text.Json.Serialization;
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namespace LeetCodeSharp.Fetcher.Models;
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internal class Stat
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{
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public required uint QuestionId { get; set; }
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[JsonPropertyName("question__article_slug")]
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public string? QuestionArticleSlug { get; set; }
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[JsonPropertyName("question__title")]
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public string? QuestionTitle { get; set; }
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[JsonPropertyName("question__title_slug")]
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public string? QuestionTitleSlug { get; set; }
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[JsonPropertyName("question__hide")]
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public bool QuestionHide { get; set; }
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public required uint TotalAcs { get; set; }
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public required uint TotalSubmitted { get; set; }
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public required string FrontendQuestionId { get; set; }
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public required bool IsNewQuestion { get; set; }
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}
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internal class StatWithStatus
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{
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public required Stat Stat { get; set; }
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public required bool PaidOnly { get; set; }
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}
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18
LeetCodeSharp.Fetcher/Program.cs
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18
LeetCodeSharp.Fetcher/Program.cs
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using LeetCodeSharp.Fetcher;
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var directories = Directory.EnumerateDirectories(Environment.CurrentDirectory);
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if (!directories.Any(d => d.Contains("Problems")))
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{
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Console.WriteLine("Please run in correct directory!");
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return;
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}
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var problemDirectory = Path.Combine(Environment.CurrentDirectory, "Problems");
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var fetcher = new Fetcher();
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var problem = await fetcher.GetProblem(uint.Parse(args[0]));
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var problemFilename = Path.Combine(problemDirectory, problem.GetFilename());
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await using var writer = new StreamWriter(problemFilename);
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await writer.WriteAsync(problem.GetFileContent());
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31
LeetCodeSharp.sln
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31
LeetCodeSharp.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.9.34607.119
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LeetCodeSharp", "LeetCodeSharp\LeetCodeSharp.csproj", "{EB1DDDC1-A2FC-4AAB-A21A-59FAAFF656DD}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LeetCodeSharp.Fetcher", "LeetCodeSharp.Fetcher\LeetCodeSharp.Fetcher.csproj", "{5D45BB2A-E512-4353-8746-6F0B79282C76}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{EB1DDDC1-A2FC-4AAB-A21A-59FAAFF656DD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{EB1DDDC1-A2FC-4AAB-A21A-59FAAFF656DD}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{EB1DDDC1-A2FC-4AAB-A21A-59FAAFF656DD}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{EB1DDDC1-A2FC-4AAB-A21A-59FAAFF656DD}.Release|Any CPU.Build.0 = Release|Any CPU
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{5D45BB2A-E512-4353-8746-6F0B79282C76}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{5D45BB2A-E512-4353-8746-6F0B79282C76}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{5D45BB2A-E512-4353-8746-6F0B79282C76}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{5D45BB2A-E512-4353-8746-6F0B79282C76}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {D28602CA-DA79-4D3C-A539-2FEB01BBEDA4}
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EndGlobalSection
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EndGlobal
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2
LeetCodeSharp.sln.DotSettings
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2
LeetCodeSharp.sln.DotSettings
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<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
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<s:Boolean x:Key="/Default/UserDictionary/Words/=Leet/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
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13
LeetCodeSharp/LeetCodeSharp.csproj
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13
LeetCodeSharp/LeetCodeSharp.csproj
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netstandard2.1</TargetFramework>
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<ImplicitUsings>disable</ImplicitUsings>
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<Nullable>disable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<Folder Include="Problems\" />
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</ItemGroup>
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||||
|
||||
</Project>
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63
LeetCodeSharp/Problems/p589_n_ary_tree_preorder_traversal.cs
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63
LeetCodeSharp/Problems/p589_n_ary_tree_preorder_traversal.cs
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/**
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* [N-ary Tree Preorder Traversal] 589
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*/
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||||
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using LeetCodeSharp.Utils;
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using System.Collections.Generic;
|
||||
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namespace LeetCodeSharp.Problems
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{
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// Submission codes start here
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||||
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||||
/*
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// Definition for a Node.
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||||
public class Node {
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public int val;
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||||
public IList<Node> children;
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||||
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||||
public Node() {}
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||||
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||||
public Node(int _val) {
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||||
val = _val;
|
||||
}
|
||||
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||||
public Node(int _val,IList<Node> _children) {
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||||
val = _val;
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||||
children = _children;
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||||
}
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||||
}
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||||
*/
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||||
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public partial class Solution
|
||||
{
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||||
public IList<int> Preorder(Node root)
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||||
{
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||||
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||||
var dfs = new Dfs();
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||||
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||||
dfs.Search(root);
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||||
return dfs.Result;
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||||
}
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||||
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||||
private class Dfs
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||||
{
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||||
public IList<int> Result { get; } = new List<int>();
|
||||
|
||||
public void Search(Node node)
|
||||
{
|
||||
if (node == null) return;
|
||||
|
||||
Result.Add(node.val);
|
||||
|
||||
foreach (var child in node.children)
|
||||
{
|
||||
Search(child);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Submission codes end here
|
||||
}
|
15
LeetCodeSharp/Utils/ListNode.cs
Normal file
15
LeetCodeSharp/Utils/ListNode.cs
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|||
namespace LeetCodeSharp.Utils
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||||
{
|
||||
public class ListNode
|
||||
{
|
||||
public int val;
|
||||
|
||||
public ListNode next;
|
||||
|
||||
public ListNode(int val = 0, ListNode next = null)
|
||||
{
|
||||
this.val = val;
|
||||
this.next = next;
|
||||
}
|
||||
}
|
||||
}
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23
LeetCodeSharp/Utils/Node.cs
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23
LeetCodeSharp/Utils/Node.cs
Normal file
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using System.Collections.Generic;
|
||||
|
||||
namespace LeetCodeSharp.Utils
|
||||
{
|
||||
public class Node
|
||||
{
|
||||
public int val;
|
||||
public IList<Node> children;
|
||||
|
||||
public Node() { }
|
||||
|
||||
public Node(int _val)
|
||||
{
|
||||
val = _val;
|
||||
}
|
||||
|
||||
public Node(int _val, IList<Node> _children)
|
||||
{
|
||||
val = _val;
|
||||
children = _children;
|
||||
}
|
||||
}
|
||||
}
|
15
LeetCodeSharp/Utils/Point.cs
Normal file
15
LeetCodeSharp/Utils/Point.cs
Normal file
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|
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namespace LeetCodeSharp.Utils
|
||||
{
|
||||
public class Point
|
||||
{
|
||||
public int x;
|
||||
|
||||
public int y;
|
||||
|
||||
public Point(int x, int y)
|
||||
{
|
||||
this.x = x;
|
||||
this.y = y;
|
||||
}
|
||||
}
|
||||
}
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18
LeetCodeSharp/Utils/TreeNode.cs
Normal file
18
LeetCodeSharp/Utils/TreeNode.cs
Normal file
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@ -0,0 +1,18 @@
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namespace LeetCodeSharp.Utils
|
||||
{
|
||||
public class TreeNode
|
||||
{
|
||||
public int val;
|
||||
|
||||
public TreeNode left;
|
||||
|
||||
public TreeNode right;
|
||||
|
||||
public TreeNode(int val = 0, TreeNode left = null, TreeNode right = null)
|
||||
{
|
||||
this.val = val;
|
||||
this.left = left;
|
||||
this.right = right;
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue
Block a user