if any data duplicate then output show 1 if not then show 0 in sql server

Hi Friends I have small doubt in sql server how to solve this issue Table: emp

id| name|   sal
1|  abc|    100
2|  ha| 200
1|  abc|    100
1|  abc|    100
1|  abc|    100
2|  ha| 200
2|  ha| 200
3   hai|    400

based on this data I want give data duplicate or not in the table for that status i out show output. I tried like below

select  count(*)as status

  from [Test].[dbo].[emp]
  group by [id]
      ,[name]
      ,[sal]

  having count(*)>=1
    order by count(*) desc

that time i got output

status
4
3
1

I donot want get output like above way.

I want show output like below

Status
    1

when data comes unique in table that time status shows : 0 values. 1 means duplicate data and o means unique records.please tell me how to get singe status values to achive this issue.