Redirecting to
NADOS

Recover Bst

  Prev   Next

Try First, Check Solution later

1. You should first read the question and watch the question video.
2. Think of a solution approach, then try and submit the question on editor tab.
3. We strongly advise you to watch the solution video for prescribed approach.

1. You are given a partially written function to solve(Refer question video).
2. You are given the root of a binary search tree (BST), where exactly two nodes of the tree were swapped by mistake. Recover the tree without changing its structure.

Follow up: You are Not Allowed To Use Extra Space(Example : Storing All Element In Arrays).
Input Format 
Input is managed for you.
Output Format 
Output is managed for you.
Question Video
Constraints 
0 <= Number of Nodes <= 10^9
-10^9 <= value of Node data <= 10^9
Sample Input 
13
7
3
2
-1
-1
10
-1
-1
5
-1
12
-1
-1
Sample Output 
3 -> 7 <- 10
2 -> 3 <- 5
. -> 2 <- .
. -> 5 <- .
. -> 10 <- 12
. -> 12 <- .


  • Asked in Companies
  • Related Topics






Video Solution

Code Solution

Run
 
Run
Id Name