static void arrayWithKCalls ( int n , int k ) {
  if ( k % 2 == 0 ) {
    System . out . print ( "NO SOLUTION" ) ;
    return ;
  }
  int a [ ] = new int [ n + 1 ] ;
  a [ 0 ] = 1 ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) a [ i ] = i + 1 ;
  k -- ;
  unsort ( 0 , n , a , k ) ;
  for ( int i = 0 ;
  i < n ;
  ++ i ) System . out . print ( a [ i ] + " " ) ;
}

static void arrayWithKCalls ( int n , int k ) { if ( k % 2 == 0 ) { System . out . print ( " NO ▁ SOLUTION " ) ; return ; } int a [ ] = new int [ n + 1 ] ; a [ 0 ] = 1 ; for ( int i = 1 ; i < n ; i ++ ) a [ i ] = i + 1 ; k -- ; unsort ( 0 , n , a , k ) ; for ( int i = 0 ; i < n ; ++ i ) System . out . print ( a [ i ] + " ▁ " ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) (return_statement))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))) (expression_statement (update_expression (identifier))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (decimal_integer_literal) (identifier) (identifier) (identifier)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (string_literal))))))))