static void rearrange ( int arr [ ] , int n ) {
  int j = 0 , temp ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( arr [ i ] < 0 ) {
      if ( i != j ) {
        temp = arr [ i ] ;
        arr [ i ] = arr [ j ] ;
        arr [ j ] = temp ;
      }
      j ++ ;
    }
  }
}

static void rearrange ( int arr [ ] , int n ) { int j = 0 , temp ; for ( int i = 0 ; i < n ; i ++ ) { if ( arr [ i ] < 0 ) { if ( i != j ) { temp = arr [ i ] ; arr [ i ] = arr [ j ] ; arr [ j ] = temp ; } j ++ ; } } }
(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)) declarator: (variable_declarator name: (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 (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))))) (expression_statement (update_expression (identifier)))))))))