Browse problems by topic and difficulty. 3,930 problems indexed.
| Title | Difficulty | ||
|---|---|---|---|
| Team Dominance by Pass Success | Hard | Solve | |
| Hard |
| Solve |
| Button with Longest Push Time | Easy | Solve |
| Maximize Amount After Two Days of Conversions | Medium | Solve |
| Count Beautiful Splits in an Array | Medium | Solve |
| Minimum Operations to Make Character Frequencies Equal | Hard | Solve |
| Nested List Weight Sum | Medium | Solve |
| Longest Team Pass Streak | Hard | Solve |
| Design a 3D Binary Matrix with Efficient Layer Tracking | Medium | Solve |
| Count Subarrays of Length Three With a Condition | Easy | Solve |
| Count Paths With the Given XOR Value | Medium | Solve |
| Check if Grid can be Cut into Sections | Medium | Solve |
| Subsequences with a Unique Middle Mode I | Hard | Solve |
| Minimum Number of Operations to Make Elements in Array Distinct | Easy | Solve |
| Maximum Number of Distinct Elements After Operations | Medium | Solve |
| Smallest Substring With Identical Characters I | Hard | Solve |
| Smallest Substring With Identical Characters II | Hard | Solve |
| Find First and Last Position of Element in Sorted Array | Medium | Solve |
| Longest Substring with At Most K Distinct Characters | Medium | Solve |
| Maximum Number of Matching Indices After Right Shifts | Medium | Solve |
| Find Circular Gift Exchange Chains | Hard | Solve |
| Minimum Operations to Make Columns Strictly Increasing | Easy | Solve |
| Find the Lexicographically Largest String From the Box I | Medium | Solve |
| Count Special Subsequences | Medium | Solve |
| Count the Number of Arrays with K Matching Adjacent Elements | Hard | Solve |