View Compilation Error

0_0_39742426_20164.cpp:1:1: error: 'import' does not name a type
    1 | import java.util.LinkedList; // 导入 LinkedList 类，用于实现队列
      | ^~~~~~
0_0_39742426_20164.cpp:1:1: note: C++20 'import' only available with '-fmodules-ts', which is not yet enabled with '-std=c++20'
0_0_39742426_20164.cpp:2:1: error: 'import' does not name a type
    2 | import java.util.Scanner; // 导入 Scanner 类，用于接收用户输入
      | ^~~~~~
0_0_39742426_20164.cpp:2:1: note: C++20 'import' only available with '-fmodules-ts', which is not yet enabled with '-std=c++20'
0_0_39742426_20164.cpp:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~