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Nielsen DSA Interview Questions
8 curated coding interview questions directly asked in Nielsen technical rounds, sorted by frequency with recency and difficulty diagnostics.
8
Total Questions
1 (12%)
Easy Problems
5 (62%)
Medium Problems
2 (25%)
Hard Problems
🔥 Most Tested Topics:
Strings (4)Arrays (2)Trees (1)Core DSA (1)Greedy (1)
📂 Sourced Datasets:
Last 6 monthsAll questionsOlder than 6 months
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 43 | Multiply Strings | Medium | Strings | Hashing / Sliding Window | 44.2% | 100.0% | 6m |
| 5 | Longest Palindromic Substring | Medium | Strings; Trees | Hashing / Sliding Window; DFS / BFS | 37.8% | 100.0% | all |
| 49 | Group Anagrams | Medium | Strings | Hashing / Sliding Window | 72.6% | 87.5% | all |
| 56 | Merge Intervals | Medium | Arrays | Sorting / Prefix / Scan | 51.8% | 75.0% | all |
| 188 | Best Time to Buy and Sell Stock IV | Hard | Core DSA | Implementation / Reasoning | 50.1% | 75.0% | all |
| 1 | Two Sum | Easy | Arrays | Sorting / Prefix / Scan; Two Pointers | 57.5% | 75.0% | all |
| 32 | Longest Valid Parentheses | Hard | Strings | Hashing / Sliding Window | 38.8% | 75.0% | all |
| 55 | Jump Game | Medium | Greedy | Greedy | 40.9% | 75.0% | all |