nullptr/Leetcode
Template
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

nullable

Browse Source
This commit is contained in:
Роман Пытков
2026-03-22 01:46:10 +03:00
parent 5014a24cc8
commit 2e3f7b7776
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
2. Add Two Numbers/Solution.cs
View File

@@ -1,7 +1,7 @@
namespace _2._Add_Two_Numbers;
public class Solution {
public ListNode AddTwoNumbers(ListNode? l1, ListNode? l2)
public ListNode? AddTwoNumbers(ListNode? l1, ListNode? l2)
{
ListNode? answer = null;
ListNode? answerEnd = answer;
@@ -24,7 +24,7 @@ public class Solution {
toNext = sum / 10;
sum %= 10;
ListNode item = new ListNode(sum);
if (answer == null)
if (answer == null || answerEnd == null)
answer = answerEnd = item;
else
{
@@ -33,7 +33,7 @@ public class Solution {
}
}
if (toNext != 0)
if (toNext != 0 && answerEnd != null)
answerEnd.next = new ListNode(toNext);
return answer;
}