1. You are given a partially written BST class. 2. You are required to complete the body of rwsol function. "rwsol" function is expected to replace a node's value with sum of all nodes greater than it. 3. Input and Output is managed for you.
Input Format
Input is managed for you
Output Format
Output is managed for you
Constraints
None
Example
Input
15 50 25 12 n n 37 n n 75 62 n n 87 n n
Output
311 <- 224 -> 87 336 <- 311 -> 274 . <- 336 -> . . <- 274 -> . 162 <- 87 -> 0 . <- 162 -> . . <- 0 -> .