源代码参考:https://blog.youkuaiyun.com/bemachine/article/details/39458285 数组里故障点个数计数:https://blog.youkuaiyun.com/xiaonan153/article/details/80791782 输出换行:https://blog.youkuaiyun.com/ming_taizi/article/details/53890850 数组里故障点由小到大排序:https://www.cnblogs.com/jjzzx/p/5122381.html