heaps
2 problems, easiest first. Every one is open — nothing here is locked behind the others.
0 / 2 solved
| Solved | Problem | Topic | Difficulty |
|---|---|---|---|
| Kth Largest Element | heaps | medium | |
| Top K Frequent Elements | heaps | medium |
Then build one
These problems are one function each. A build challenge is the same ideas assembled into a working thing across several files.
Stuck on the pattern rather than the problem? The heaps lesson walks through it with an animation you can step through.