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AverageSalaryExcludingTheMinimumAndMaximumSalary.java
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AverageSalaryExcludingTheMinimumAndMaximumSalary.java
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/*
1491. Average Salary Excluding the Minimum and Maximum Salary
You are given an array of unique integers salary where salary[i] is the salary of the ith employee.
Return the average salary of employees excluding the minimum and maximum salary. Answers within 10-5 of the actual answer will be accepted.
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
Constraints:
3 <= salary.length <= 100
1000 <= salary[i] <= 106
All the integers of salary are unique.
*/
class AverageSalaryExcludingTheMinimumAndMaximumSalary {
public double average(int[] salary) {
final int N = salary.length;
int min=salary[0],max=salary[0];
double sum = salary[0];
for (int i = 1; i < N; i++) {
if (salary[i]<min) min=salary[i];
if (salary[i]>max) max=salary[i];
sum += salary[i];
}
sum = sum - max - min;
return sum / (N - 2);
}
}