Browse problems by topic and difficulty. 3,930 problems indexed.
| Title | Difficulty | ||
|---|---|---|---|
| Make the XOR of All Segments Equal to Zero | Hard | Solve |
| Maximize the Beauty of the Garden | Hard | Solve |
| Primary Department for Each Employee | Easy | Solve |
| Largest Number | Medium | Solve |
| Check if One String Swap Can Make Strings Equal | Easy | Solve |
| Find Center of Star Graph | Easy | Solve |
| Maximum Average Pass Ratio | Medium | Solve |
| Maximum Score of a Good Subarray | Hard | Solve |
| Count Pairs of Equal Substrings With Minimum Difference | Medium | Solve |
| Rearrange Products Table | Easy | Solve |
| Second Largest Digit in a String | Easy | Solve |
| Design Authentication Manager | Medium | Solve |
| Maximum Number of Consecutive Values You Can Make | Medium | Solve |
| Maximize Score After N Operations | Hard | Solve |
| 4Sum | Medium | Solve |
| Consecutive Numbers | Medium | Solve |
| Maximum Ascending Subarray Sum | Easy | Solve |
| Number of Orders in the Backlog | Medium | Solve |
| Maximum Value at a Given Index in a Bounded Array | Medium | Solve |
| Count Pairs With XOR in a Range | Hard | Solve |
| Implement Trie II (Prefix Tree) | Medium | Solve |
| Number of Different Integers in a String | Easy | Solve |
| Minimum Number of Operations to Reinitialize a Permutation | Medium | Solve |
| Evaluate the Bracket Pairs of a String | Medium | Solve |
| Maximize Number of Nice Divisors | Hard | Solve |