public class Solution {    public int FindRadius(int[] houses, int[] heaters) {        houses = houses.Distinct().ToArray();//去重            heaters = heaters.Distinct().ToArray();//去重            var temphouses = houses.Except(houses.Intersect(heaters)).ToArray();            //var tempheaters = heaters.Except(heaters.Intersect(houses)).ToArray();            houses = temphouses;            //heaters = tempheaters;            if (houses.Length == 0)            {                return 0;            }            //将房间与炉子合并到一个列表中            var list = new List
     
      
       >();//key是坐标，value=0表示房间，value=1表示火炉            foreach (var house in houses)            {                list.Add(new KeyValuePair
       
        (house, 0));            }            foreach (var heater in heaters)            {                list.Add(new KeyValuePair
        
         (heater, 1));            }            list = list.OrderBy(x => x.Key).ToList();//根据坐标排序            var min = int.MinValue;            var minList = new List
         
          ();            //根据每个房间，找其最近的炉子            for (int i = 0; i < list.Count; i++)            {                if (list[i].Value == 0)                {                    var house = list[i].Key;//找到一所房间的坐标                    var j1 = i - 1;//循环，找前面的第一个炉子                    var dis1 = int.MaxValue;                    while (j1 >= 0)                    {                        if (list[j1].Value == 1)                        {                            dis1 = Math.Abs(house - list[j1].Key);                            break;                        }                        j1--;                    }                    var j2 = i + 1;//循环，找后面的第一个炉子                    var dis2 = int.MaxValue;                    while (j2 < list.Count)                    {                        if (list[j2].Value == 1)                        {                            dis2 = Math.Abs(house - list[j2].Key);                            break;                        }                        j2++;                    }                    var dis = Math.Min(dis1, dis2);//距离当前房间，最近的炉子的距离                    minList.Add(dis);                }            }            min = minList.Max();            return min;    }}