All companies
Palo Alto Networks
12 Easy29 Medium6 Hard47 total
| No. | Problem | Difficulty | Frequency |
|---|---|---|---|
| 146 | LRU Cache | Medium | |
| 2831 | Find the Longest Equal Subarray | Medium | |
| 3 | Longest Substring Without Repeating Characters | Medium | |
| 443 | String Compression | Medium | |
| 359 | Logger Rate Limiter | Easy | |
| 4 | Median of Two Sorted Arrays | Hard | |
| 49 | Group Anagrams | Medium | |
| 102 | Binary Tree Level Order Traversal | Medium | |
| 155 | Min Stack | Medium | |
| 706 | Design HashMap | Easy | |
| 12 | Integer to Roman | Medium | |
| 692 | Top K Frequent Words | Medium | |
| 380 | Insert Delete GetRandom O(1) | Medium | |
| 93 | Restore IP Addresses | Medium | |
| 33 | Search in Rotated Sorted Array | Medium | |
| 14 | Longest Common Prefix | Easy | |
| 2086 | Minimum Number of Food Buckets to Feed the Hamsters | Medium | |
| 394 | Decode String | Medium | |
| 870 | Advantage Shuffle | Medium | |
| 92 | Reverse Linked List II | Medium | |
| 141 | Linked List Cycle | Easy | |
| 2 | Add Two Numbers | Medium | |
| 560 | Subarray Sum Equals K | Medium | |
| 88 | Merge Sorted Array | Easy | |
| 56 | Merge Intervals | Medium | |
| 252 | Meeting Rooms | Easy | |
| 139 | Word Break | Medium | |
| 1 | Two Sum | Easy | |
| 21 | Merge Two Sorted Lists | Easy | |
| 239 | Sliding Window Maximum | Hard | |
| 224 | Basic Calculator | Hard | |
| 226 | Invert Binary Tree | Easy | |
| 20 | Valid Parentheses | Easy | |
| 227 | Basic Calculator II | Medium | |
| 43 | Multiply Strings | Medium | |
| 112 | Path Sum | Easy | |
| 113 | Path Sum II | Medium | |
| 332 | Reconstruct Itinerary | Hard | |
| 875 | Koko Eating Bananas | Medium | |
| 1239 | Maximum Length of a Concatenated String with Unique Characters | Medium | |
| 5 | Longest Palindromic Substring | Medium | |
| 103 | Binary Tree Zigzag Level Order Traversal | Medium | |
| 355 | Design Twitter | Medium | |
| 1235 | Maximum Profit in Job Scheduling | Hard | |
| 1171 | Remove Zero Sum Consecutive Nodes from Linked List | Medium | |
| 543 | Diameter of Binary Tree | Easy | |
| 25 | Reverse Nodes in k-Group | Hard |