| No. | Title | Mark |
|---|---|---|
| 23 | Merge k Sorted Lists | |
| 215 | Kth Largest Element in an Array | template |
| 239 | Sliding Window Maximum | |
| 264 | Ugly Number II | |
| 295 | Find Median from Data Stream | template |
| 347 | Top K Frequent Elements | |
| 451 | Sort Characters By Frequency | |
| 918 | Reachable Nodes In Subdivided Graph |