public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int T = sc . nextInt ( ) ;
  for ( int zz = 1 ;
  zz <= T ;
  zz ++ ) {
    C = sc . nextInt ( ) ;
    N = sc . nextInt ( ) ;
    dp = new double [ C + 1 ] ;
    Arrays . fill ( dp , - 1.0 ) ;
    System . out . println ( "Case #" + zz + ": " + dp ( 0 ) ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int T = sc . nextInt ( ) ; for ( int zz = 1 ; zz <= T ; zz ++ ) { C = sc . nextInt ( ) ; N = sc . nextInt ( ) ; dp = new double [ C + 1 ] ; Arrays . fill ( dp , - 1.0 ) ; System . out . println ( " Case ▁ # " + zz + " : ▁ " + dp ( 0 ) ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (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 (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (array_creation_expression type: (floating_point_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (unary_expression operand: (decimal_floating_point_literal))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (binary_expression left: (string_literal) right: (identifier)) right: (string_literal)) right: (method_invocation name: (identifier) arguments: (argument_list (decimal_integer_literal)))))))))))