[LEETCODE] 1491. Average Salary Excluding the Minimum and Maximum Salary

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TITLE : 1491.Average Salary Excluding the Minimum and Maximum Salary

Description : You are given an array ofuniqueintegerssalarywheresalary[i]is the salary of theithemployee.

Return the average salary of employees excluding the minimum and maximum salary. Answers within 10-5 of the actual answer will be accepted.

• 3 <= salary.length <= 100
• 1000 <= salary[i] <= 106
• All the integers of salary are unique.

단순하게 vector 에서 최대, 최소 원소를 제외하고 평균을 산출해서 리턴하는 메서드를 구현하면 된다.

 

[C++]

class Solution {
public:
	double average(vector<int>& salary) {
		double maxi = *max_element(salary.begin(), salary.end());
		double mini = *min_element(salary.begin(), salary.end());

		double ans = 0.0;
		for (int i = 0; i < salary.size(); i++) {
			ans += salary[i];
		}
		ans -= (maxi + mini);
		ans /= (salary.size() - 2);

		return ans;
	}
};