LeetCode1491-去掉最低工资和最高工资后的工资平均值

LeetCode1491-去掉最低工资和最高工资后的工资平均值

循环去头尾相加取平均

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public double average01(int[] salary) {
        Arrays.sort(salary);
        int sum = 0;
        int len = salary.length - 1;
        for (int i = 1; i < len; i++) {
            sum += salary[i];
        }
        return 1.0 * sum / (salary.length - 2);
        
    }

通过Math函数

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public double average02(int[] salary) {
    double sum = 0;
    double maxValue = Integer.MIN_VALUE;
    double minValue = Integer.MAX_VALUE;
    for (int num : salary) {
        sum += num;
        maxValue = Math.max(maxValue, num);
        minValue = Math.min(minValue, num);
    }
    return (sum - maxValue - minValue) / (salary.length - 2);
}