1491. Average Salary Excluding the Minimum and Maximum Salary

Given an array of unique integers salary where salary[i] is the salary of the employee i.

Return the average salary of employees excluding the minimum and maximum salary.

Example 1:

Input: salary = [4000,3000,1000,2000]

Output: 2500.00000

Explanation:

Minimum salary and maximum salary are 1000 and 4000 respectively.

Average salary excluding minimum and maximum salary is (2000+3000)/2= 2500

Example 2:

Input: salary = [1000,2000,3000]

Output: 2000.00000

Explanation: Minimum salary and maximum salary are 1000 and 3000 respectively. Average salary excluding minimum and maximum salary is (2000)/1= 2000

Example 3:

Input: salary = [6000,5000,4000,3000,2000,1000]

Output: 3500.00000

Example 4:

Input: salary = [8000,9000,2000,3000,6000,1000]

Output: 4750.00000

Constraints

• 3 <= salary.length <= 100
• 10^3 <= salary[i] <= 10^6
• salary[i] is unique.
• Answers within 10^-5 of the actual value will be accepted as correct.