3 curated coding interview questions directly asked in Ericsson technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 224 | Basic Calculator | Hard | Stack / Queue | Monotonic Stack / Simulation | 46.9% | 100.0% | 6m |
| 20 | Valid Parentheses | Easy | Strings | Hashing / Sliding Window | 44.2% | 100.0% | all |
| 14 | Longest Common Prefix | Easy | Core DSA | Implementation / Reasoning | 47.6% | 100.0% | all |