1123 coverage 100%

Author: aQuaYi

Algorithms/1123.lowest-common-ancestor-of-deepest-leaves/lowest-common-ancestor-of-deepest-leaves_test.go

@@ -18,6 +18,11 @@ var tcs = []struct {
 		[]int{1, 2, 3},
 	},
 
+	{
+		[]int{1, 2, 3, kit.NULL, kit.NULL, 4},
+		[]int{4},
+	},
+
 	{
 		[]int{1, 2, 3, 4},
 		[]int{4},