public static void longestAlternating ( int arr [ ] , int n ) {
  int [ ] count = new int [ n ] ;
  count [ n - 1 ] = 1 ;
  for ( int i = n - 2 ;
  i >= 0 ;
  i -- ) {
    if ( arr [ i ] * arr [ i + 1 ] < 0 ) count [ i ] = count [ i + 1 ] + 1 ;
    else count [ i ] = 1 ;
  }
  for ( int i = 0 ;
  i < n ;
  i ++ ) System . out . print ( count [ i ] + " " ) ;
}

public static void longestAlternating ( int arr [ ] , int n ) { int [ ] count = new int [ n ] ; count [ n - 1 ] = 1 ; for ( int i = n - 2 ; i >= 0 ; i -- ) { if ( arr [ i ] * arr [ i + 1 ] < 0 ) count [ i ] = count [ i + 1 ] + 1 ; else count [ i ] = 1 ; } for ( int i = 0 ; i < n ; i ++ ) System . out . print ( count [ i ] + " ▁ " ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (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))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)))) alternative: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) 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 (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))))))))