static void niceIndices ( int A [ ] , int n ) {
  int sum = 0 ;
  Map < Integer , Integer > m = new HashMap < Integer , Integer > ( ) ;
  for ( int i = 0 ;
  i < n ;
  ++ i ) {
    m . put ( A [ i ] , ( m . get ( A [ i ] ) == null ) ? 0 : m . get ( A [ i ] ) + 1 ) ;
    sum += A [ i ] ;
  }
  for ( int i = 0 ;
  i < n ;
  ++ i ) {
    int k = sum - A [ i ] ;
    if ( k % 2 == 0 ) {
      k = k >> 1 ;
      if ( m . containsKey ( k ) ) {
        if ( ( A [ i ] == k && m . get ( k ) > 1 ) || ( A [ i ] != k ) ) System . out . print ( ( i + 1 ) + " " ) ;
      }
    }
  }
}

static void niceIndices ( int A [ ] , int n ) { int sum = 0 ; Map < Integer , Integer > m = new HashMap < Integer , Integer > ( ) ; for ( int i = 0 ; i < n ; ++ i ) { m . put ( A [ i ] , ( m . get ( A [ i ] ) == null ) ? 0 : m . get ( A [ i ] ) + 1 ) ; sum += A [ i ] ; } for ( int i = 0 ; i < n ; ++ i ) { int k = sum - A [ i ] ; if ( k % 2 == 0 ) { k = k >> 1 ; if ( m . containsKey ( k ) ) { if ( ( A [ i ] == k && m . get ( k ) > 1 ) || ( A [ i ] != k ) ) System . out . print ( ( i + 1 ) + " ▁ " ) ; } } } }
(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))) (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 (type_identifier) (type_identifier))) 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 (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)) (ternary_expression condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))) right: (null_literal))) consequence: (decimal_integer_literal) alternative: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))) right: (decimal_integer_literal)))))) (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (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: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier)) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (decimal_integer_literal)))) right: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (string_literal))))))))))))))