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Picking K nodes in a tree to minimize nearest distance sum
I thought of this problem and I was wondering if there is any polynomial time solution?
Given a weighted tree of N nodes, pick K nodes such that sum of distances from each node to the nearest picked node is minimized.
For K = 1, the answer is the centroid of the tree. What about K > 1 ?
| Rev. | Язык | Кто | Когда | Δ | Комментарий | |
|---|---|---|---|---|---|---|
| en1 |
|
throwaway_1234 | 2017-06-18 21:22:23 | 351 | Initial revision (published) |
