public class DataCleaner {
    public static void main(String[] args) {
        int[] sensorData = {85, -5, 92, 0, 105, 999, 88, 76};
        int validSum = 0; 
        int validCount = 0;
        for (int num : sensorData) {
            if (num == 999) {
                System.out.println("致命错误：传感器掉线，终止处理");
                break;
            }
            if (num <= 0 || (num > 100 && num != 999)) {
                System.out.println("警告：发现越界数据[" + num + "]，已跳过");
                continue;
            }
            if (num >= 1 && num <= 100) {
                validSum += num;
                validCount++;
            }
        }
        if (validCount > 0) {
            double average = (double) validSum / validCount;
            System.out.println("有效数据平均值：" + average);
        } else {
            System.out.println("无有效数据");
        }
    }
}