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Hashedin DSA Interview Questions
33 curated coding interview questions directly asked in Hashedin technical rounds, sorted by frequency with recency and difficulty diagnostics.
33
Total Questions
5 (15%)
Easy Problems
20 (61%)
Medium Problems
8 (24%)
Hard Problems
🔥 Most Tested Topics:
Arrays (10)Core DSA (10)Strings (6)Trees (2)Greedy (2)
📂 Sourced Datasets:
Last 6 monthsAll questionsOlder than 6 months
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 992 | Subarrays with K Different Integers | Hard | Arrays | Sorting / Prefix / Scan | 68.1% | 100.0% | 6m |
| 3143 | Maximum Points Inside the Square | Medium | Arrays | Sorting / Prefix / Scan | 39.7% | 100.0% | all |
| 3051 | Find Candidates for Data Scientist Position | Easy | Core DSA | Implementation / Reasoning | 75.3% | 100.0% | all |
| 3052 | Maximize Items | Hard | Core DSA | Implementation / Reasoning | 74.8% | 100.0% | all |
| 3 | Longest Substring Without Repeating Characters | Medium | Strings; Trees | Hashing / Sliding Window; DFS / BFS; Sliding Window | 39.1% | 87.5% | 6m |
| 49 | Group Anagrams | Medium | Strings | Hashing / Sliding Window | 72.6% | 87.5% | 6m |
| 93 | Restore IP Addresses | Medium | Core DSA | Implementation / Reasoning | 56.0% | 87.5% | 6m |
| 2999 | Count the Number of Powerful Integers | Hard | Core DSA | Implementation / Reasoning | 46.2% | 75.0% | all |
| 3012 | Minimize Length of Array Using Operations | Medium | Arrays | Sorting / Prefix / Scan | 35.8% | 75.0% | all |
| 55 | Jump Game | Medium | Greedy | Greedy | 40.9% | 75.0% | all |
| 2594 | Minimum Time to Repair Cars | Medium | Arrays | Sorting / Prefix / Scan | 59.5% | 75.0% | all |
| 5 | Longest Palindromic Substring | Medium | Strings; Trees | Hashing / Sliding Window; DFS / BFS | 37.8% | 75.0% | all |
| 42 | Trapping Rain Water | Hard | Core DSA | Two Pointers | 67.4% | 62.5% | all |
| 53 | Maximum Subarray | Medium | Arrays | Sorting / Prefix / Scan | 53.3% | 62.5% | all |
| 2448 | Minimum Cost to Make Array Equal | Hard | Arrays | Sorting / Prefix / Scan | 46.8% | 62.5% | all |
| 31 | Next Permutation | Medium | Backtracking | Backtracking | 45.3% | 62.5% | all |
| 810 | Chalkboard XOR Game | Hard | Core DSA | Implementation / Reasoning | 66.2% | 62.5% | all |
| 45 | Jump Game II | Medium | Greedy | Greedy | 42.9% | 62.5% | all |
| 526 | Beautiful Arrangement | Medium | Core DSA | Implementation / Reasoning | 64.8% | 62.5% | all |
| 200 | Number of Islands | Medium | Graphs | BFS / DFS / Topological Sort | 64.4% | 62.5% | all |
| 152 | Maximum Product Subarray | Medium | Arrays | Sorting / Prefix / Scan | 36.4% | 62.5% | all |
| 72 | Edit Distance | Medium | Dynamic Programming | State Transition | 60.6% | 62.5% | all |
| 205 | Isomorphic Strings | Easy | Strings | Hashing / Sliding Window | 48.4% | 62.5% | all |
| 11 | Container With Most Water | Medium | Core DSA | Two Pointers | 60.0% | 62.5% | all |
| 875 | Koko Eating Bananas | Medium | Binary Search | Binary Search | 50.0% | 62.5% | all |
| 14 | Longest Common Prefix | Easy | Core DSA | Implementation / Reasoning | 47.6% | 62.5% | all |
| 188 | Best Time to Buy and Sell Stock IV | Hard | Core DSA | Implementation / Reasoning | 50.1% | 62.5% | all |
| 739 | Daily Temperatures | Medium | Stack / Queue | Monotonic Stack / Simulation | 68.7% | 62.5% | all |
| 974 | Subarray Sums Divisible by K | Medium | Arrays | Sorting / Prefix / Scan | 56.3% | 62.5% | all |
| 394 | Decode String | Medium | Strings; Dynamic Programming; Stack / Queue | Hashing / Sliding Window; State Transition; Monotonic Stack / Simulation | 62.6% | 62.5% | all |
| 1 | Two Sum | Easy | Arrays | Sorting / Prefix / Scan; Two Pointers | 57.5% | 62.5% | all |
| 125 | Valid Palindrome | Easy | Strings | Hashing / Sliding Window | 53.3% | 62.5% | all |
| 1505 | Minimum Possible Integer After at Most K Adjacent Swaps On Digits | Hard | Arrays | Sorting / Prefix / Scan | 41.4% | 62.5% | all |