MediumTrees
Construct Binary Tree from Preorder and Inorder
Build tree from traversals
Solution Approach
Recursion with hash map
Complexity Analysis
Time Complexity
O(n)Space Complexity
O(n)Complexity
Time:O(n)
Space:O(n)
Asked at
GoogleAmazon
Build tree from traversals
Recursion with hash map
Time Complexity
O(n)Space Complexity
O(n)