static int findNum ( int n ) {
  if ( n == 1 ) return 5 ;
  int low = 0 ;
  int high = 5 * n ;
  while ( low < high ) {
    int mid = ( low + high ) >> 1 ;
    if ( check ( mid , n ) ) high = mid ;
    else low = mid + 1 ;
  }
  return low ;
}

static int findNum ( int n ) { if ( n == 1 ) return 5 ; int low = 0 ; int high = 5 * n ; while ( low < high ) { int mid = ( low + high ) >> 1 ; if ( check ( mid , n ) ) high = mid ; else low = mid + 1 ; } return low ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (decimal_integer_literal) right: (identifier)))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier)))) consequence: (expression_statement (assignment_expression left: (identifier) right: (identifier))) alternative: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))))) (return_statement (identifier))))