static int minOperations ( int arr [ ] , int n ) {
  Arrays . sort ( arr ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) hashTable [ arr [ i ] ] ++ ;
  int res = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( hashTable [ arr [ i ] ] != 0 ) {
      for ( int j = i ;
      j < n ;
      j ++ ) if ( arr [ j ] % arr [ i ] == 0 ) hashTable [ arr [ j ] ] = 0 ;
      res ++ ;
    }
  }
  return res ;
}

static int minOperations ( int arr [ ] , int n ) { Arrays . sort ( arr ) ; for ( int i = 0 ; i < n ; i ++ ) hashTable [ arr [ i ] ] ++ ; int res = 0 ; for ( int i = 0 ; i < n ; i ++ ) { if ( hashTable [ arr [ i ] ] != 0 ) { for ( int j = i ; j < n ; j ++ ) if ( arr [ j ] % arr [ i ] == 0 ) hashTable [ arr [ j ] ] = 0 ; res ++ ; } } return res ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (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: (expression_statement (update_expression (array_access array: (identifier) index: (array_access array: (identifier) index: (identifier)))))) (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 (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (array_access array: (identifier) index: (identifier))) right: (decimal_integer_literal))) consequence: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (array_access array: (identifier) index: (identifier))) right: (decimal_integer_literal))))) (expression_statement (update_expression (identifier))))))) (return_statement (identifier))))