public static void countEle ( Stack < Integer > s , int [ ] a , int N ) {
  HashMap < Integer , Boolean > mp = new HashMap < > ( ) ;
  for ( int i = 0 ;
  i < N ;
  ++ i ) {
    int num = a [ i ] ;
    if ( mp . containsKey ( num ) ) System . out . print ( "0 " ) ;
    else {
      int cnt = 0 ;
      while ( s . peek ( ) != num ) {
        mp . put ( s . peek ( ) , true ) ;
        s . pop ( ) ;
        cnt ++ ;
      }
      s . pop ( ) ;
      cnt ++ ;
      System . out . print ( cnt + " " ) ;
    }
  }
}

public static void countEle ( Stack < Integer > s , int [ ] a , int N ) { HashMap < Integer , Boolean > mp = new HashMap < > ( ) ; for ( int i = 0 ; i < N ; ++ i ) { int num = a [ i ] ; if ( mp . containsKey ( num ) ) System . out . print ( "0 ▁ " ) ; else { int cnt = 0 ; while ( s . peek ( ) != num ) { mp . put ( s . peek ( ) , true ) ; s . pop ( ) ; cnt ++ ; } s . pop ( ) ; cnt ++ ; System . out . print ( cnt + " ▁ " ) ; } } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (generic_type (type_identifier) (type_arguments (type_identifier))) name: (identifier)) (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier) (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) arguments: (argument_list)))) (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: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (array_access array: (identifier) index: (identifier)))) (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (identifier))) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) (true)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) (expression_statement (update_expression (identifier))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) (expression_statement (update_expression (identifier))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (string_literal)))))))))))