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@ -2,6 +2,10 @@ package Program;
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import java.util.Scanner;
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/**
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* 主程序
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*/
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public class Main {
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private final Scanner scanner;
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private final Users users;
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@ -9,12 +13,6 @@ public class Main {
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private String currentUser;
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private Type currentType;
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public Main() {
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this.scanner = new Scanner(System.in);
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this.users = new Users();
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this.questionManager = new QuestionManager();
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}
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private String getGrade(Type type) {
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switch (type) {
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case primary:
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@ -28,16 +26,25 @@ public class Main {
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}
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}
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/**清屏函数*/
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public Main() {
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this.scanner = new Scanner(System.in);
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this.users = new Users();
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this.questionManager = new QuestionManager();
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}
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/**
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* 清屏函数
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*/
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private void clearScreen() {
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try {
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try{
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String os = System.getProperty("os.name").toLowerCase();
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if (os.contains("win")) {
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new ProcessBuilder("cmd", "/c", "cls").inheritIO().start().waitFor();
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} else {
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if(os.contains("win")){
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new ProcessBuilder("cmd","/c","cls").inheritIO().start().waitFor();
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}else{
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new ProcessBuilder("clear").inheritIO().start().waitFor();
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}
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} catch (Exception e) {
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}catch(Exception e){
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System.out.print("\033[H\033[2J");
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System.out.flush();
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}
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@ -46,7 +53,7 @@ public class Main {
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@SuppressWarnings("InfiniteLoopStatement")
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public void run() {
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while (true) {
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if (Login()) {
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if(Login()) {
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Exchange();
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}
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}
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@ -56,44 +63,45 @@ public class Main {
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* 用户登录
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* @return 登录是否成功
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*/
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private boolean Login() {
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while (true) {
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System.out.print("请输入用户名和密码[空格隔开]或输入‘-1’退出程序: ");
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String input = scanner.nextLine().trim();
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if ("-1".equals(input)) {
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if("-1".equals(input)) {
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System.out.println("程序已退出");
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System.exit(0);
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}
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String[] parts = input.split("\\s+");
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if (parts.length != 2) {
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if(parts.length != 2) {
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System.out.println("请输入正确的用户名或密码");
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continue;
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}
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String username = parts[0];
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String password = parts[1];
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Type type = users.verification(username, password);
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if (type != null) {
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Type type = users.verification(username,password);
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if(type != null) {
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currentUser = username;
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currentType = type;
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System.out.println("欢迎您，" + currentUser + "！");
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System.out.println("欢迎您，" +currentUser+"！");
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System.out.println("当前选择为" + getGrade(type) + "出题");
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return true;
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} else {
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}else {
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System.out.println("请输入正确的用户名或密码");
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}
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}
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}
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private void Exchange() {
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while (true) {
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System.out.print("准备生成" + getGrade(currentType)
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+ "数学题目，请输入生成题目数量[10-30]或输入‘切换为’切换难度或输入‘-1’退出当前用户：");
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while(true){
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System.out.print("准备生成"+getGrade(currentType)
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+"数学题目，请输入生成题目数量[10-30]或输入‘切换为’切换难度或输入‘-1’退出当前用户：");
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String input = scanner.nextLine().trim();
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if (input.startsWith("切换为")) {
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if(input.startsWith("切换为")) {
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Change(input);
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continue;
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}
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@ -101,7 +109,7 @@ public class Main {
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try {
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int number = Integer.parseInt(input);
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if (number == -1) {
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if(number==-1){
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currentType = null;
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currentUser = null;
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clearScreen();
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@ -109,12 +117,12 @@ public class Main {
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return;
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}
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if (number < 10 || number > 30) {
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if(number<10||number>30){
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System.out.println("题目数量必须在10-30之间");
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continue;
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}
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makeAndSaveQuestions(number);
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} catch (NumberFormatException e) {
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makeAndSaveQuestions(number);
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}catch(NumberFormatException e){
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System.out.println("请输入有效数字");
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}
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}
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@ -124,10 +132,11 @@ public class Main {
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* 切换命令
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* @param input 切换命令
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*/
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private void Change(String input) {
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String result = input.substring(3).trim();
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String result=input.substring(3).trim();
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Type newType = null;
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Type newType=null;
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switch (result) {
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case "小学":
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newType = Type.primary;
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@ -138,15 +147,16 @@ public class Main {
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case "高中":
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newType = Type.high;
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break;
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default:
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}
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if (newType == null) {
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if(newType==null) {
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System.out.println("请输入小学、初中和高中三个选项中的一个");
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return;
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}
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currentType = newType;
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System.out.println("成功切换为‘" + getGrade(newType)
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currentType=newType;
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System.out.println("成功切换为‘"+getGrade(newType)
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+ "’!");
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}
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@ -154,20 +164,21 @@ public class Main {
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* 生成并保存题目（附带查重功能-在makeQuestions方法中实现）
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* @param number 题目数量
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*/
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private void makeAndSaveQuestions(int number) {
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QuestionMaker maker = createMaker(currentType);
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java.util.Set<String> exQuestions =
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java.util.Set<String> exQuestions=
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questionManager.loadQuestions(currentUser);
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java.util.List<String> questions =
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maker.makeQuestions(number, exQuestions);
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java.util.List<String> questions=
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maker.makeQuestions(number,exQuestions);
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if (questions.size() < number) {
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System.out.println("警告：由于查重限制，实际生成题目数量为：" + questions.size() + "道");
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if(questions.size()<number){
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System.out.println("警告：由于查重限制，实际生成题目数量为：" + questions.size()+"道");
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}
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questionManager.saveQuestions(currentUser, questions);
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System.out.println(questions.size() + "道题目生成完成");
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questionManager.saveQuestions(currentUser,questions);
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System.out.println(questions.size()+"道题目生成完成");
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}
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/**
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@ -175,6 +186,7 @@ public class Main {
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* @param type 用户类型
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* @return 题目生成
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*/
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private QuestionMaker createMaker(Type type) {
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switch (type) {
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case primary:
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@ -184,7 +196,7 @@ public class Main {
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case high:
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return new HighMaker();
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default:
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throw new IllegalArgumentException("未知的输入" + type);
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throw new IllegalArgumentException("未知的输入"+type);
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}
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}
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@ -192,4 +204,4 @@ public class Main {
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Main main = new Main();
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main.run();
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}
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}
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}
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Forever-XK