sangtrandev00
diff --git a/‎src/leetcode/linked_list/merge-two-lists.ts‎
Lines changed: 1 addition & 0 deletions b/‎src/leetcode/linked_list/merge-two-lists.ts‎
Lines changed: 1 addition & 0 deletions
@@ -20,6 +20,7 @@ export class ListNode {
 }
 
 // Time complexity O(n + m), n: list1, m: list2
+// Space complexity O(n + m)
 export function mergeTwoLists(list1: ListNode | null, list2: ListNode | null): ListNode | null {
  if (list1 == null) return list2
  if (list2 == null) return list1
Original file line number	Diff line number	Diff line change
`@@ -20,6 +20,7 @@ export class ListNode {`
`20`	`20`	`}`
`21`	`21`
`22`	`22`	`// Time complexity O(n + m), n: list1, m: list2`
	`23`	`+// Space complexity O(n + m)`
`23`	`24`	`export function mergeTwoLists(list1: ListNode \| null, list2: ListNode \| null): ListNode \| null {`
`24`	`25`	`if (list1 == null) return list2`
`25`	`26`	`if (list2 == null) return list1`