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Epic Systems DSA Interview Questions
15 curated coding interview questions directly asked in Epic Systems technical rounds, sorted by frequency with recency and difficulty diagnostics.
15
Total Questions
3 (20%)
Easy Problems
11 (73%)
Medium Problems
1 (7%)
Hard Problems
🔥 Most Tested Topics:
Core DSA (6)Strings (5)Arrays (3)Backtracking (2)Trees (2)
📂 Sourced Datasets:
Last 3 monthsLast 6 monthsAll questionsOlder than 6 months
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 306 | Additive Number | Medium | Core DSA | Implementation / Reasoning | 33.9% | 100.0% | 3m |
| 20 | Valid Parentheses | Easy | Strings | Hashing / Sliding Window | 44.2% | 87.5% | 6m |
| 54 | Spiral Matrix | Medium | Arrays | Sorting / Prefix / Scan | 56.8% | 87.5% | 6m |
| 17 | Letter Combinations of a Phone Number | Medium | Strings; Backtracking | Hashing / Sliding Window; Backtracking | 66.1% | 87.5% | all |
| 728 | Self Dividing Numbers | Easy | Core DSA | Implementation / Reasoning | 80.8% | 87.5% | all |
| 1215 | Stepping Numbers | Medium | Core DSA | Implementation / Reasoning | 48.5% | 75.0% | all |
| 79 | Word Search | Medium | Strings; Binary Search | Hashing / Sliding Window; Binary Search | 47.4% | 62.5% | all |
| 1344 | Angle Between Hands of a Clock | Medium | Core DSA | Implementation / Reasoning | 64.4% | 62.5% | all |
| 299 | Bulls and Cows | Medium | Core DSA | Implementation / Reasoning | 52.5% | 62.5% | all |
| 1 | Two Sum | Easy | Arrays | Sorting / Prefix / Scan; Two Pointers | 57.5% | 62.5% | all |
| 204 | Count Primes | Medium | Core DSA | Implementation / Reasoning | 36.1% | 62.5% | all |
| 647 | Palindromic Substrings | Medium | Strings; Trees | Hashing / Sliding Window; DFS / BFS | 72.8% | 50.0% | all |
| 46 | Permutations | Medium | Backtracking | Backtracking | 81.9% | 50.0% | all |
| 5 | Longest Palindromic Substring | Medium | Strings; Trees | Hashing / Sliding Window; DFS / BFS | 37.8% | 50.0% | all |
| 329 | Longest Increasing Path in a Matrix | Hard | Arrays; Dynamic Programming | Sorting / Prefix / Scan; State Transition | 56.6% | 50.0% | all |