c# 大乐透模拟算法

代码单部调试，数值准确，但是不进行调试代码，得到数据全重复
List<object> list = new List<object>();
int[] num =new int[5];
int[] num2= new int[2];
for (int i = 0; i < 100; i++)
{
num = new int [5];
num2 = new int[2];
int x = 0;
int y = 0;
Random reum = new Random();
for(int j = 0; j < 50; j++)
{
int randomdata = reum.Next(35);
if (num.Length > 0)
{
int id = Array.IndexOf(num, randomdata);
if (id == -1)
{
num[x] = randomdata;
x++;
}
}
if (num[4] > 0)
{
break;
}
}
var lv = num.OrderBy(n => n).ToList();
for (int j = 0; j < 50; j++)
{
int randomdata = reum.Next(12);
if (num2.Length > 0)
{
int id = Array.IndexOf(num2, randomdata);
if (id == -1)
{
num2[y] = randomdata;
y++;
}
}
if (num2[1] > 0)
{
break;
}
}
lv.AddRange(num2.OrderBy(n => n).ToList());
list.Add(lv);
}
Response.Write(JsonConvert.SerializeObject(list));