6 curated coding interview questions directly asked in Hsbc technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 5 | Longest Palindromic Substring | Medium | Strings; Trees | Hashing / Sliding Window; DFS / BFS | 37.8% | 100.0% | all |
| 419 | Battleships in a Board | Medium | Binary Search | Binary Search | 77.5% | 100.0% | all |
| 121 | Best Time to Buy and Sell Stock | Easy | Core DSA | Implementation / Reasoning | 56.8% | 87.5% | all |
| 14 | Longest Common Prefix | Easy | Core DSA | Implementation / Reasoning | 47.6% | 87.5% | all |
| 70 | Climbing Stairs | Easy | Dynamic Programming | State Transition | 54.1% | 87.5% | all |
| 1323 | Maximum 69 Number | Easy | Arrays | Sorting / Prefix / Scan | 84.5% | 87.5% | all |