SP10628 COT - Count on a tree
Description
You are given a tree with **N** nodes. The tree nodes are numbered from **1** to **N**. Each node has an integer weight.
We will ask you to perform the following operation:
- **u v k** : ask for the kth minimum weight on the path from node **u** to node **v**
Input Format
N/A
Output Format
N/A