All companies
Snapchat
5 Easy52 Medium27 Hard84 total
| No. | Problem | Difficulty | Frequency |
|---|---|---|---|
| 146 | LRU Cache | Medium | |
| 200 | Number of Islands | Medium | |
| 253 | Meeting Rooms II | Medium | |
| 36 | Valid Sudoku | Medium | |
| 37 | Sudoku Solver | Hard | |
| 39 | Combination Sum | Medium | |
| 40 | Combination Sum II | Medium | |
| 44 | Wildcard Matching | Hard | |
| 76 | Minimum Window Substring | Hard | |
| 96 | Unique Binary Search Trees | Medium | |
| 127 | Word Ladder | Hard | |
| 140 | Word Break II | Hard | |
| 151 | Reverse Words in a String | Medium | |
| 155 | Min Stack | Medium | |
| 161 | One Edit Distance | Medium | |
| 206 | Reverse Linked List | Easy | |
| 227 | Basic Calculator II | Medium | |
| 269 | Alien Dictionary | Hard | |
| 270 | Closest Binary Search Tree Value | Easy | |
| 289 | Game of Life | Medium | |
| 312 | Burst Balloons | Hard | |
| 314 | Binary Tree Vertical Order Traversal | Medium | |
| 377 | Combination Sum IV | Medium | |
| 402 | Remove K Digits | Medium | |
| 403 | Frog Jump | Hard | |
| 439 | Ternary Expression Parser | Medium | |
| 443 | String Compression | Medium | |
| 527 | Word Abbreviation | Hard | |
| 635 | Design Log Storage System | Medium | |
| 1754 | Largest Merge Of Two Strings | Medium | |
| 964 | Least Operators to Express Number | Hard | |
| 827 | Making A Large Island | Hard | |
| 815 | Bus Routes | Hard | |
| 694 | Number of Distinct Islands | Medium | |
| 803 | Bricks Falling When Hit | Hard | |
| 210 | Course Schedule II | Medium | |
| 347 | Top K Frequent Elements | Medium | |
| 56 | Merge Intervals | Medium | |
| 79 | Word Search | Medium | |
| 123 | Best Time to Buy and Sell Stock III | Hard | |
| 399 | Evaluate Division | Medium | |
| 772 | Basic Calculator III | Hard | |
| 91 | Decode Ways | Medium | |
| 296 | Best Meeting Point | Hard | |
| 2316 | Count Unreachable Pairs of Nodes in an Undirected Graph | Medium | |
| 2258 | Escape the Spreading Fire | Hard | |
| 207 | Course Schedule | Medium | |
| 231 | Power of Two | Easy | |
| 1249 | Minimum Remove to Make Valid Parentheses | Medium | |
| 1293 | Shortest Path in a Grid with Obstacles Elimination | Hard | |
| 49 | Group Anagrams | Medium | |
| 939 | Minimum Area Rectangle | Medium | |
| 143 | Reorder List | Medium | |
| 212 | Word Search II | Hard | |
| 460 | LFU Cache | Hard | |
| 780 | Reaching Points | Hard | |
| 224 | Basic Calculator | Hard | |
| 752 | Open the Lock | Medium | |
| 124 | Binary Tree Maximum Path Sum | Hard | |
| 787 | Cheapest Flights Within K Stops | Medium | |
| 528 | Random Pick with Weight | Medium | |
| 1472 | Design Browser History | Medium | |
| 973 | K Closest Points to Origin | Medium | |
| 490 | The Maze | Medium | |
| 238 | Product of Array Except Self | Medium | |
| 33 | Search in Rotated Sorted Array | Medium | |
| 1091 | Shortest Path in Binary Matrix | Medium | |
| 3014 | Minimum Number of Pushes to Type Word I | Easy | |
| 17 | Letter Combinations of a Phone Number | Medium | |
| 1146 | Snapshot Array | Medium | |
| 67 | Add Binary | Easy | |
| 1639 | Number of Ways to Form a Target String Given a Dictionary | Hard | |
| 211 | Design Add and Search Words Data Structure | Medium | |
| 3 | Longest Substring Without Repeating Characters | Medium | |
| 64 | Minimum Path Sum | Medium | |
| 1074 | Number of Submatrices That Sum to Target | Hard | |
| 393 | UTF-8 Validation | Medium | |
| 875 | Koko Eating Bananas | Medium | |
| 480 | Sliding Window Median | Hard | |
| 886 | Possible Bipartition | Medium | |
| 947 | Most Stones Removed with Same Row or Column | Medium | |
| 166 | Fraction to Recurring Decimal | Medium | |
| 362 | Design Hit Counter | Medium | |
| 23 | Merge k Sorted Lists | Hard |