Question

Suppose that we have two List<int>‘s

List<int> list1 = new List<int> { 1, 3, 5, 7 , 9, 11, 18 };
List<int> list2 = new List<int> { 2, 3, 5, 7 , 9, 10, 20, 26, 36 };

question how can i produce;

intersect  {3, 5, 7, 9 }
list1Decomp  { 1, 11, 18 }
list2Decomp  { 2, 10, 20, 26, 36 }

thanks in advance.

Answer 1

var intersection = list1.Intersect(list2).ToList();
var list1Decomp = list1.Except(intersection).ToList();
var list2Decomp = list2.Except(intersection).ToList();