Browse problems by topic and difficulty. 3,930 problems indexed.
| Title | Difficulty | ||
|---|---|---|---|
| Count the Number of Good Nodes | Medium | Solve |
| Maximum Size Subarray Sum Equals k | Medium | Solve |
| Find the Count of Monotonic Pairs I | Hard | Solve |
| Find the Count of Monotonic Pairs II | Hard | Solve |
| Premier League Table Ranking II | Medium | Solve |
| Construct String with Minimum Cost (Easy) | Medium | Solve |
| Find the Power of K-Size Subarrays I | Medium | Solve |
| Find the Power of K-Size Subarrays II | Medium | Solve |
| Maximum Value Sum by Placing Three Rooks I | Hard | Solve |
| Maximum Value Sum by Placing Three Rooks II | Hard | Solve |
| Count Substrings That Satisfy K-Constraint I | Easy | Solve |
| Maximum Energy Boost From Two Drinks | Medium | Solve |
| Power of Three | Easy | Solve |
| Find the Largest Palindrome Divisible by K | Hard | Solve |
| Count Substrings That Satisfy K-Constraint II | Hard | Solve |
| Find Overlapping Shifts | Medium | Solve |
| Convert Doubly Linked List to Array I | Easy | Solve |
| Final Array State After K Multiplication Operations I | Easy | Solve |
| Count Almost Equal Pairs I | Medium | Solve |
| Final Array State After K Multiplication Operations II | Hard | Solve |
| Count Almost Equal Pairs II | Hard | Solve |
| Find Overlapping Shifts II | Hard | Solve |
| Constructing Two Increasing Arrays | Hard | Solve |
| Count of Range Sum | Hard | Solve |
| Find the Key of the Numbers | Easy | Solve |