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Comcast DSA Interview Questions
6 curated coding interview questions directly asked in Comcast technical rounds, sorted by frequency with recency and difficulty diagnostics.
6
Total Questions
4 (67%)
Easy Problems
2 (33%)
Medium Problems
0 (0%)
Hard Problems
🔥 Most Tested Topics:
Strings (3)Arrays (1)Core DSA (1)Trees (1)Graphs (1)
📂 Sourced Datasets:
All questionsOlder than 6 months
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 1 | Two Sum | Easy | Arrays | Sorting / Prefix / Scan; Two Pointers | 57.5% | 100.0% | all |
| 121 | Best Time to Buy and Sell Stock | Easy | Core DSA | Implementation / Reasoning | 56.8% | 87.5% | all |
| 3 | Longest Substring Without Repeating Characters | Medium | Strings; Trees | Hashing / Sliding Window; DFS / BFS; Sliding Window | 39.1% | 75.0% | all |
| 200 | Number of Islands | Medium | Graphs | BFS / DFS / Topological Sort | 64.4% | 75.0% | all |
| 125 | Valid Palindrome | Easy | Strings | Hashing / Sliding Window | 53.3% | 75.0% | all |
| 20 | Valid Parentheses | Easy | Strings | Hashing / Sliding Window | 44.2% | 75.0% | all |