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Dell DSA Interview Questions
10 curated coding interview questions directly asked in Dell technical rounds, sorted by frequency with recency and difficulty diagnostics.
10
Total Questions
5 (50%)
Easy Problems
4 (40%)
Medium Problems
1 (10%)
Hard Problems
🔥 Most Tested Topics:
Strings (5)Arrays (4)Trees (2)Core DSA (1)
📂 Sourced Datasets:
Last 6 monthsAll questionsOlder than 6 months
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 1328 | Break a Palindrome | Medium | Strings | Hashing / Sliding Window | 51.6% | 100.0% | 6m |
| 696 | Count Binary Substrings | Easy | Strings; Trees | Hashing / Sliding Window; DFS / BFS | 70.4% | 87.5% | 6m |
| 53 | Maximum Subarray | Medium | Arrays | Sorting / Prefix / Scan | 53.3% | 87.5% | 6m |
| 196 | Delete Duplicate Emails | Easy | Arrays | Sorting / Prefix / Scan | 66.0% | 62.5% | all |
| 3 | Longest Substring Without Repeating Characters | Medium | Strings; Trees | Hashing / Sliding Window; DFS / BFS; Sliding Window | 39.1% | 62.5% | all |
| 49 | Group Anagrams | Medium | Strings | Hashing / Sliding Window | 72.6% | 62.5% | all |
| 185 | Department Top Three Salaries | Hard | Core DSA | Implementation / Reasoning | 60.5% | 62.5% | all |
| 1 | Two Sum | Easy | Arrays | Sorting / Prefix / Scan; Two Pointers | 57.5% | 62.5% | all |
| 1413 | Minimum Value to Get Positive Step by Step Sum | Easy | Arrays | Sorting / Prefix / Scan | 64.7% | 62.5% | all |
| 20 | Valid Parentheses | Easy | Strings | Hashing / Sliding Window | 44.2% | 62.5% | all |