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Quora DSA Interview Questions
19 curated coding interview questions directly asked in Quora technical rounds, sorted by frequency with recency and difficulty diagnostics.
19
Total Questions
7 (37%)
Easy Problems
9 (47%)
Medium Problems
3 (16%)
Hard Problems
🔥 Most Tested Topics:
Core DSA (8)Arrays (8)Strings (3)Trees (2)Design (1)
📂 Sourced Datasets:
Last 3 monthsLast 6 monthsAll questionsOlder than 6 months
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 380 | Insert Delete GetRandom O(1) | Medium | Core DSA | Implementation / Reasoning | 55.4% | 100.0% | 3m |
| 1256 | Encode Number | Medium | Core DSA | Implementation / Reasoning | 70.3% | 100.0% | all |
| 717 | 1-bit and 2-bit Characters | Easy | Strings | Hashing / Sliding Window | 49.6% | 100.0% | all |
| 1329 | Sort the Matrix Diagonally | Medium | Arrays | Sorting / Prefix / Scan | 83.2% | 100.0% | all |
| 1935 | Maximum Number of Words You Can Type | Easy | Arrays; Strings | Sorting / Prefix / Scan; Hashing / Sliding Window | 82.9% | 100.0% | all |
| 2080 | Range Frequency Queries | Medium | Core DSA | Implementation / Reasoning | 43.1% | 100.0% | all |
| 855 | Exam Room | Medium | Core DSA | Implementation / Reasoning | 43.5% | 100.0% | all |
| 1281 | Subtract the Product and Sum of Digits of an Integer | Easy | Arrays | Sorting / Prefix / Scan | 86.6% | 100.0% | all |
| 1295 | Find Numbers with Even Number of Digits | Easy | Core DSA | Implementation / Reasoning | 79.8% | 100.0% | all |
| 2269 | Find the K-Beauty of a Number | Easy | Core DSA | Implementation / Reasoning | 63.4% | 100.0% | all |
| 923 | 3Sum With Multiplicity | Medium | Arrays | Sorting / Prefix / Scan | 46.3% | 100.0% | all |
| 1876 | Substrings of Size Three with Distinct Characters | Easy | Strings; Trees | Hashing / Sliding Window; DFS / BFS | 76.7% | 100.0% | all |
| 1878 | Get Biggest Three Rhombus Sums in a Grid | Medium | Arrays | Sorting / Prefix / Scan | 71.4% | 100.0% | all |
| 1354 | Construct Target Array With Multiple Sums | Hard | Arrays | Sorting / Prefix / Scan | 37.0% | 100.0% | all |
| 1865 | Finding Pairs With a Certain Sum | Medium | Arrays | Sorting / Prefix / Scan | 61.6% | 100.0% | all |
| 560 | Subarray Sum Equals K | Medium | Arrays | Sorting / Prefix / Scan | 47.3% | 75.0% | all |
| 68 | Text Justification | Hard | Core DSA | Implementation / Reasoning | 51.2% | 75.0% | all |
| 14 | Longest Common Prefix | Easy | Core DSA | Implementation / Reasoning | 47.6% | 62.5% | all |
| 297 | Serialize and Deserialize Binary Tree | Hard | Trees; Design | DFS / BFS; Data Structure Design | 60.8% | 62.5% | all |