4 curated coding interview questions directly asked in Ubs technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 3067 | Count Pairs of Connectable Servers in a Weighted Tree Network | Medium | Trees; Graphs | DFS / BFS; BFS / DFS / Topological Sort | 55.9% | 100.0% | all |
| 1268 | Search Suggestions System | Medium | Binary Search | Binary Search | 65.2% | 87.5% | all |
| 20 | Valid Parentheses | Easy | Strings | Hashing / Sliding Window | 44.2% | 75.0% | all |
| 49 | Group Anagrams | Medium | Strings | Hashing / Sliding Window | 72.6% | 75.0% | all |