Path Sum Problems Problems
3 Path Sum Problems problems on LeetCode, a Trees interview pattern, ranked by importance (how often it comes up in real interviews). Difficulty (ELO) and importance shown per problem.
| # | PROBLEM | DIFF | ELO | IMP | PATTERNS |
|---|---|---|---|---|---|
| 1 | Path Sum III | Medium | 1530 | 82 | Prefix Sums · DFS Traversal (Inorder, Preorder, Postorder) |
| 2 | Path Sum | Easy | 1107 | 78 | DFS Traversal (Inorder, Preorder, Postorder) |
| 3 | Path Sum II | Easy | 1339 | 72 | Path Finding with Backtracking · DFS Traversal (Inorder, Preorder, Postorder) |
MORE TREES PATTERNS
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