Linked List pattern
Add Two Numbers
Two non-negative numbers are stored as linked lists of digits in reverse order. Add them and return the sum as a linked list, also in reverse order. Watch it run step by step, then write your own pseudocode and get it checked by AI.
- LeetCode 2
- Medium
- 1 approach
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Linked ListLeetCode 2
Medium
The approach
- 01 Elementary addition · carry O(max(n, m))O(max(n, m)) space
What you will learn
- How to read Add Two Numbers and spot the linked list pattern in it
- Elementary addition · carry: O(max(n, m)) time, O(max(n, m)) space
- The pseudocode for each approach, its line lit as the animation runs
- Practice: write your own pseudocode and get it checked
More Linked List
See Add Two Numbers run, step by step
Sign in and this page opens on the animation, with all 9 Linked List problems beside it.
DSA comes with the all labs plan and every ChaiCode batch.