static void replace_elements ( int arr [ ] , int n ) {
  int pos = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    arr [ pos ++ ] = arr [ i ] ;
    while ( pos > 1 && arr [ pos - 2 ] == arr [ pos - 1 ] ) {
      pos -- ;
      arr [ pos - 1 ] ++ ;
    }
  }
  for ( int i = 0 ;
  i < pos ;
  i ++ ) System . out . print ( arr [ i ] + " " ) ;
}

static void replace_elements ( int arr [ ] , int n ) { int pos = 0 ; for ( int i = 0 ; i < n ; i ++ ) { arr [ pos ++ ] = arr [ i ] ; while ( pos > 1 && arr [ pos - 2 ] == arr [ pos - 1 ] ) { pos -- ; arr [ pos - 1 ] ++ ; } } for ( int i = 0 ; i < pos ; i ++ ) System . out . print ( arr [ 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: (integral_type) declarator: (variable_declarator name: (identifier) value: (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: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (update_expression (identifier))) right: (array_access array: (identifier) index: (identifier)))) (while_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) body: (block (expression_statement (update_expression (identifier))) (expression_statement (update_expression (array_access array: (identifier) index: (binary_expression left: (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))))))))