16 curated coding interview questions directly asked in Mitsogo technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 3131 | Find the Integer Added to Array I | Easy | Arrays | Sorting / Prefix / Scan | 82.9% | 100.0% | all |
| 3132 | Find the Integer Added to Array II | Medium | Arrays | Sorting / Prefix / Scan | 33.0% | 100.0% | all |
| 3144 | Minimum Substring Partition of Equal Character Frequency | Medium | Arrays; Strings; Trees; Dynamic Programming | Sorting / Prefix / Scan; Hashing / Sliding Window; DFS / BFS; State Transition | 40.3% | 100.0% | all |
| 3213 | Construct String with Minimum Cost | Hard | Arrays; Strings | Sorting / Prefix / Scan; Hashing / Sliding Window | 19.0% | 100.0% | all |
| 3180 | Maximum Total Reward Using Operations I | Medium | Arrays | Sorting / Prefix / Scan | 30.9% | 100.0% | all |
| 3181 | Maximum Total Reward Using Operations II | Hard | Arrays | Sorting / Prefix / Scan | 21.9% | 100.0% | all |
| 3097 | Shortest Subarray With OR at Least K II | Medium | Arrays | Sorting / Prefix / Scan | 50.2% | 100.0% | all |
| 3095 | Shortest Subarray With OR at Least K I | Easy | Arrays | Sorting / Prefix / Scan | 44.6% | 100.0% | all |
| 3128 | Right Triangles | Medium | Core DSA | Implementation / Reasoning | 48.8% | 100.0% | all |
| 2978 | Symmetric Coordinates | Medium | Core DSA | Implementation / Reasoning | 41.3% | 100.0% | all |
| 3837 | Delayed Count of Equal Elements | Medium | Core DSA | Implementation / Reasoning | 80.0% | 87.5% | all |
| 118 | Pascal's Triangle | Easy | Core DSA | Implementation / Reasoning | 78.9% | 75.0% | all |
| 31 | Next Permutation | Medium | Backtracking | Backtracking | 45.3% | 75.0% | all |
| 556 | Next Greater Element III | Medium | Stack / Queue | Monotonic Stack / Simulation | 35.3% | 62.5% | all |
| 6 | Zigzag Conversion | Medium | Core DSA | Implementation / Reasoning | 54.2% | 62.5% | all |
| 20 | Valid Parentheses | Easy | Strings | Hashing / Sliding Window | 44.2% | 62.5% | all |