Browse problems by topic and difficulty. 3,930 problems indexed.
| Title | Difficulty | ||
|---|---|---|---|
| Calculate Amount Paid in Taxes | Easy | Solve |
| Minimum Path Cost in a Grid | Medium | Solve |
| Fair Distribution of Cookies | Medium | Solve |
| Naming a Company | Hard | Solve |
| Check for Contradictions in Equations | Hard | Solve |
| Arrange Table by Gender | Medium | Solve |
| Greatest English Letter in Upper and Lower Case | Easy | Solve |
| Power of Two | Easy | Solve |
| Sum of Numbers With Units Digit K | Medium | Solve |
| Longest Binary Subsequence Less Than or Equal to K | Medium | Solve |
| Selling Pieces of Wood | Hard | Solve |
| Minimum Flips in Binary Tree to Get Result | Hard | Solve |
| The First Day of the Maximum Recorded Degree in Each City | Medium | Solve |
| Count Asterisks | Easy | Solve |
| Count Unreachable Pairs of Nodes in an Undirected Graph | Medium | Solve |
| Maximum XOR After Operations | Medium | Solve |
| Number of Distinct Roll Sequences | Hard | Solve |
| Check if Matrix Is X-Matrix | Easy | Solve |
| Implement Queue using Stacks | Easy | Solve |
| Count Number of Ways to Place Houses | Medium | Solve |
| Maximum Score Of Spliced Array | Hard | Solve |
| Minimum Score After Removals on a Tree | Hard | Solve |
| Find Minimum Time to Finish All Jobs II | Medium | Solve |
| Product Sales Analysis IV | Medium | Solve |
| Decode the Message | Easy | Solve |