2 curated coding interview questions directly asked in Redbus technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 42 | Trapping Rain Water | Hard | Core DSA | Two Pointers | 67.4% | 100.0% | all |
| 1653 | Minimum Deletions to Make String Balanced | Medium | Arrays; Strings | Sorting / Prefix / Scan; Hashing / Sliding Window | 68.2% | 100.0% | all |