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Daily Challenge:
Fewest Hops
(1300)
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trees Problems
15 practice problems tagged trees , from difficulty 1100 to 2100 — solve them in our in-browser judge with instant verdicts. Browse all problems.
Related: dp binary-lifting bfs graphs rerooting fenwick euler-tour
| Problem | Topics | Solvers | Acceptance | Difficulty | |
|---|---|---|---|---|---|
| Count the Leaves | trees | 0 | — | 1100 | |
| Height of the Tree | bfs trees | 0 | — | 1200 | |
| Tree or Not | graphs trees | 0 | — | 1300 | |
| Total Depth | trees | 0 | — | 1300 | |
| Largest Proper Subtree | trees | 0 | — | 1500 | |
| Lowest Common Ancestor | trees | 0 | — | 1500 | |
| Diameter of a Tree | bfs trees | 0 | — | 1600 | |
| No Two Neighbours Chosen | dp trees | 0 | — | 1700 | |
| K Generations Up | trees binary-lifting | 0 | — | 1800 | |
| The Centroid | dp trees | 0 | — | 1800 | |
| Distances at Scale | trees binary-lifting | 0 | — | 1900 | |
| Departments and Budgets | fenwick trees euler-tour | 0 | — | 2000 | |
| Tree Paths of Length K | dp trees | 0 | — | 2000 | |
| Everyone's Total Commute | dp trees rerooting | 0 | — | 2100 | |
| Worst Bridge on the Way | trees binary-lifting | 0 | — | 2100 |