Browse problems by topic and difficulty. 3,930 problems indexed.
| Title | Difficulty | ||
|---|---|---|---|
| Hopper Company Queries III | Hard | Solve | |
| Defuse the Bomb |
| Easy |
| Solve |
| Minimum Deletions to Make String Balanced | Medium | Solve |
| Minimum Jumps to Reach Home | Medium | Solve |
| Distribute Repeating Integers | Hard | Solve |
| Design an Ordered Stream | Easy | Solve |
| Determine if Two Strings Are Close | Medium | Solve |
| Minimum Operations to Reduce X to Zero | Medium | Solve |
| Maximize Grid Happiness | Hard | Solve |
| Fraction to Recurring Decimal | Medium | Solve |
| Correct a Binary Tree | Medium | Solve |
| Average Time of Process per Machine | Easy | Solve |
| Check If Two String Arrays are Equivalent | Easy | Solve |
| Smallest String With A Given Numeric Value | Medium | Solve |
| Ways to Make a Fair Array | Medium | Solve |
| Minimum Initial Energy to Finish Tasks | Hard | Solve |
| Change the Root of a Binary Tree | Medium | Solve |
| Fix Names in a Table | Easy | Solve |
| Maximum Repeating Substring | Easy | Solve |
| Merge In Between Linked Lists | Medium | Solve |
| Two Sum II - Input Array Is Sorted | Medium | Solve |
| Design Front Middle Back Queue | Medium | Solve |
| Minimum Number of Removals to Make Mountain Array | Hard | Solve |
| Richest Customer Wealth | Easy | Solve |
| Find the Most Competitive Subsequence | Medium | Solve |