All companies
DoorDash
7 Easy44 Medium26 Hard77 total
| No. | Problem | Difficulty | Frequency |
|---|---|---|---|
| 286 | Walls and Gates | Medium | |
| 124 | Binary Tree Maximum Path Sum | Hard | |
| 329 | Longest Increasing Path in a Matrix | Hard | |
| 1268 | Search Suggestions System | Medium | |
| 1166 | Design File System | Medium | |
| 317 | Shortest Distance from All Buildings | Hard | |
| 1235 | Maximum Profit in Job Scheduling | Hard | |
| 875 | Koko Eating Bananas | Medium | |
| 1834 | Single-Threaded CPU | Medium | |
| 2049 | Count Nodes With the Highest Score | Medium | |
| 1359 | Count All Valid Pickup and Delivery Options | Hard | |
| 1347 | Minimum Number of Steps to Make Two Strings Anagram | Medium | |
| 556 | Next Greater Element III | Medium | |
| 588 | Design In-Memory File System | Hard | |
| 658 | Find K Closest Elements | Medium | |
| 772 | Basic Calculator III | Hard | |
| 826 | Most Profit Assigning Work | Medium | |
| 827 | Making A Large Island | Hard | |
| 859 | Buddy Strings | Easy | |
| 1790 | Check if One String Swap Can Make Strings Equal | Easy | |
| 1 | Two Sum | Easy | |
| 986 | Interval List Intersections | Medium | |
| 987 | Vertical Order Traversal of a Binary Tree | Hard | |
| 31 | Next Permutation | Medium | |
| 84 | Largest Rectangle in Histogram | Hard | |
| 208 | Implement Trie (Prefix Tree) | Medium | |
| 210 | Course Schedule II | Medium | |
| 224 | Basic Calculator | Hard | |
| 1143 | Longest Common Subsequence | Medium | |
| 227 | Basic Calculator II | Medium | |
| 1173 | Immediate Food Delivery I | Easy | |
| 1174 | Immediate Food Delivery II | Medium | |
| 297 | Serialize and Deserialize Binary Tree | Hard | |
| 2565 | Subsequence With the Minimum Score | Hard | |
| 2611 | Mice and Cheese | Medium | |
| 1779 | Find Nearest Point That Has the Same X or Y Coordinate | Easy | |
| 695 | Max Area of Island | Medium | |
| 542 | 01 Matrix | Medium | |
| 209 | Minimum Size Subarray Sum | Medium | |
| 456 | 132 Pattern | Medium | |
| 37 | Sudoku Solver | Hard | |
| 55 | Jump Game | Medium | |
| 146 | LRU Cache | Medium | |
| 200 | Number of Islands | Medium | |
| 212 | Word Search II | Hard | |
| 239 | Sliding Window Maximum | Hard | |
| 296 | Best Meeting Point | Hard | |
| 1730 | Shortest Path to Get Food | Medium | |
| 735 | Asteroid Collision | Medium | |
| 778 | Swim in Rising Water | Hard | |
| 1905 | Count Sub Islands | Medium | |
| 314 | Binary Tree Vertical Order Traversal | Medium | |
| 1664 | Ways to Make a Fair Array | Medium | |
| 924 | Minimize Malware Spread | Hard | |
| 480 | Sliding Window Median | Hard | |
| 18 | 4Sum | Medium | |
| 380 | Insert Delete GetRandom O(1) | Medium | |
| 23 | Merge k Sorted Lists | Hard | |
| 839 | Similar String Groups | Hard | |
| 207 | Course Schedule | Medium | |
| 12 | Integer to Roman | Medium | |
| 56 | Merge Intervals | Medium | |
| 45 | Jump Game II | Medium | |
| 2065 | Maximum Path Quality of a Graph | Hard | |
| 211 | Design Add and Search Words Data Structure | Medium | |
| 1944 | Number of Visible People in a Queue | Hard | |
| 1472 | Design Browser History | Medium | |
| 460 | LFU Cache | Hard | |
| 49 | Group Anagrams | Medium | |
| 1087 | Brace Expansion | Medium | |
| 304 | Range Sum Query 2D - Immutable | Medium | |
| 5 | Longest Palindromic Substring | Medium | |
| 13 | Roman to Integer | Easy | |
| 3123 | Find Edges in Shortest Paths | Hard | |
| 994 | Rotting Oranges | Medium | |
| 2 | Add Two Numbers | Medium | |
| 543 | Diameter of Binary Tree | Easy |