using System.Collections.Generic;
public static void Main()
int[] arrayOfNum=new int[]{-1,1,2,0,3,-5};
List<int> negaNum=new List<int>();
List<int> posiNum=new List<int>();
List<int> zeroNum=new List<int>();
foreach(int i in arrayOfNum)
if(i==0){zeroNum.Add(i);}
foreach(int i in negaNum)
foreach(int i in posiNum)
foreach(int i in zeroNum)