static int minOperations ( int N ) {
  double x = Math . log ( N ) / Math . log ( 2 ) ;
  int ans = ( int ) ( Math . ceil ( x ) ) ;
  return ans ;
}

static int minOperations ( int N ) { double x = Math . log ( N ) / Math . log ( 2 ) ; int ans = ( int ) ( Math . ceil ( x ) ) ; return ans ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (cast_expression type: (integral_type) value: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))) (return_statement (identifier))))