Main.cc:1:1: error: ‘package’ does not name a type
    1 | package work.test;
      | ^~~~~~~
Main.cc:2:1: error: ‘import’ does not name a type
    2 | import java.util.*;
      | ^~~~~~
Main.cc:40:12: error: expected unqualified-id before ‘[’ token
   40 |      double[] test01(double[][] d){
      |            ^
Main.cc:68:11: error: expected ‘:’ before ‘static’
   68 |     public static void main(String[] args) {
      |           ^~~~~~~
      |           :
Main.cc:68:29: error: ‘String’ has not been declared
   68 |     public static void main(String[] args) {
      |                             ^~~~~~
Main.cc:68:38: error: expected ‘,’ or ‘...’ before ‘args’
   68 |     public static void main(String[] args) {
      |                                      ^~~~
Main.cc:86:2: error: expected ‘;’ after class definition
   86 | }
      |  ^
      |  ;
Main.cc: In static member function ‘static void Solution::main(int*)’:
Main.cc:69:9: error: ‘Scanner’ was not declared in this scope
   69 |         Scanner in = new Scanner(System.in);
      |         ^~~~~~~
Main.cc:71:15: error: structured binding declaration cannot have type ‘double’
   71 |         double[][] nums=new double[4][3];
      |               ^~
Main.cc:71:15: note: type must be cv-qualified ‘auto’ or reference to cv-qualified ‘auto’
Main.cc:71:15: error: empty structured binding declaration
Main.cc:71:17: error: expected initializer before ‘[’ token
   71 |         double[][] nums=new double[4][3];
      |                 ^
Main.cc:76:17: error: ‘nums’ was not declared in this scope
   76 |                 nums[i][j]=in.nextDouble();
      |                 ^~~~
Main.cc:76:28: error: ‘in’ was not declared in this scope; did you mean ‘i’?
   76 |                 nums[i][j]=in.nextDouble();
      |                            ^~
      |                            i
Main.cc:80:14: error: structured binding declaration cannot have type ‘double’
   80 |        double[] answer= new Solution().test01(nums);
      |              ^~
Main.cc:80:14: note: type must be cv-qualified ‘auto’ or reference to cv-qualified ‘auto’
Main.cc:80:14: error: empty structured binding declaration
Main.cc:80:17: error: expected initializer before ‘answer’
   80 |        double[] answer= new Solution().test01(nums);
      |                 ^~~~~~
Main.cc:81:9: error: ‘System’ was not declared in this scope
   81 |         System.out.println((int)(answer[0])+" "+(int)answer[1]);
      |         ^~~~~~
Main.cc:81:34: error: ‘answer’ was not declared in this scope
   81 |         System.out.println((int)(answer[0])+" "+(int)answer[1]);
      |                                  ^~~~~~
Main.cc:71:15: warning: unused structured binding declaration [-Wunused-variable]
   71 |         double[][] nums=new double[4][3];
      |               ^~
Main.cc:80:14: warning: unused structured binding declaration [-Wunused-variable]
   80 |        double[] answer= new Solution().test01(nums);
      |              ^~