public static void main ( String [ ] args ) throws IOException {
  int t , n , k ;
  int [ ] a = new int [ N ] ;
  StreamTokenizer cin = new StreamTokenizer ( new BufferedReader ( new InputStreamReader ( System . in ) ) ) ;
  cin . nextToken ( ) ;
  t = ( int ) cin . nval ;
  while ( t -- > 0 ) {
    cin . nextToken ( ) ;
    n = ( int ) cin . nval ;
    int i ;
    for ( i = 1 ;
    i <= n ;
    i ++ ) {
      int x ;
      cin . nextToken ( ) ;
      x = ( int ) cin . nval ;
      if ( i % 2 == 1 ) System . out . print ( Math . abs ( x ) + " " ) ;
      else System . out . print ( - Math . abs ( x ) + " " ) ;
    }
    System . out . println ( ) ;
  }
}

public static void main ( String [ ] args ) throws IOException { int t , n , k ; int [ ] a = new int [ N ] ; StreamTokenizer cin = new StreamTokenizer ( new BufferedReader ( new InputStreamReader ( System . in ) ) ) ; cin . nextToken ( ) ; t = ( int ) cin . nval ; while ( t -- > 0 ) { cin . nextToken ( ) ; n = ( int ) cin . nval ; int i ; for ( i = 1 ; i <= n ; i ++ ) { int x ; cin . nextToken ( ) ; x = ( int ) cin . nval ; if ( i % 2 == 1 ) System . out . print ( Math . abs ( x ) + " ▁ " ) ; else System . out . print ( - Math . abs ( x ) + " ▁ " ) ; } System . out . println ( ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) (throws (type_identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (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))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (object_creation_expression type: (type_identifier) arguments: (argument_list (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) (expression_statement (assignment_expression left: (identifier) right: (cast_expression type: (integral_type) value: (field_access object: (identifier) field: (identifier))))) (while_statement condition: (parenthesized_expression (binary_expression left: (update_expression (identifier)) right: (decimal_integer_literal))) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) (expression_statement (assignment_expression left: (identifier) right: (cast_expression type: (integral_type) value: (field_access object: (identifier) field: (identifier))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) (expression_statement (assignment_expression left: (identifier) right: (cast_expression type: (integral_type) value: (field_access object: (identifier) field: (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (string_literal))))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (unary_expression operand: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) right: (string_literal)))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list)))))))