public static void tc ( ) throws IOException {
  st = new StringTokenizer ( f . readLine ( ) ) ;
  int n = Integer . parseInt ( st . nextToken ( ) ) ;
  int m = Integer . parseInt ( st . nextToken ( ) ) ;
  int [ ] arr = new int [ n * m ] ;
  int [ ] [ ] grid = new int [ n ] [ m ] ;
  ;
}

public static void tc ( ) throws IOException { st = new StringTokenizer ( f . readLine ( ) ) ; int n = Integer . parseInt ( st . nextToken ( ) ) ; int m = Integer . parseInt ( st . nextToken ( ) ) ; int [ ] arr = new int [ n * m ] ; int [ ] [ ] grid = new int [ n ] [ m ] ; ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters) (throws (type_identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (object_creation_expression type: (type_identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (identifier)))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier)) dimensions: (dimensions_expr (identifier)))))))