12 curated coding interview questions directly asked in Karat technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 2133 | Check if Every Row and Column Contains All Numbers | Easy | Core DSA | Implementation / Reasoning | 54.1% | 100.0% | 6m |
| 68 | Text Justification | Hard | Core DSA | Implementation / Reasoning | 51.2% | 100.0% | all |
| 79 | Word Search | Medium | Strings; Binary Search | Hashing / Sliding Window; Binary Search | 47.4% | 87.5% | all |
| 1160 | Find Words That Can Be Formed by Characters | Easy | Strings | Hashing / Sliding Window | 71.6% | 87.5% | all |
| 1604 | Alert Using Same Key-Card Three or More Times in a One Hour Period | Medium | Core DSA | Implementation / Reasoning | 46.3% | 87.5% | all |
| 383 | Ransom Note | Easy | Core DSA | Implementation / Reasoning | 66.0% | 75.0% | all |
| 36 | Valid Sudoku | Medium | Strings; Backtracking | Hashing / Sliding Window; Backtracking | 64.5% | 62.5% | all |
| 221 | Maximal Square | Medium | Core DSA | Implementation / Reasoning | 50.3% | 62.5% | all |
| 55 | Jump Game | Medium | Greedy | Greedy | 40.9% | 50.0% | all |
| 1 | Two Sum | Easy | Arrays | Sorting / Prefix / Scan; Two Pointers | 57.5% | 50.0% | all |
| 2225 | Find Players With Zero or One Losses | Medium | Core DSA | Implementation / Reasoning | 72.5% | 50.0% | all |
| 2933 | High-Access Employees | Medium | Core DSA | Implementation / Reasoning | 47.5% | 50.0% | all |