๐ฉโ๐ป ่ฏ้
ๅๅพๅ ฉๅ list ๅพ่ฏ้โ
void Main()
{
List<int> A = new List<int>(){1,2,3,5,7};
List<int> B = new List<int>(){2,3,4,5,6,7};
List<int> C = new List<int>(){2,3,4,5,6,7,9,10,11,12};
A = A.Union(B).ToList();
A.OrderBy(x => x).Dump();
A = A.Union(C).ToList();
A.OrderBy(x => x).Dump();
}