How should I practice Symmetric Tree?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Bloomberg LP onsite interview problems in FastPrep.

Is Symmetric Tree associated with Bloomberg LP?

FastPrep tags this as a Bloomberg LP onsite interview coding practice problem when the problem catalog has that company and stage context.

Symmetric Tree

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Problem statement

Return true when the binary tree is a mirror of itself around its center, and false otherwise.

Function

isSymmetric(root: TreeNode) → boolean

Examples

Example 1

root = [1,2,2,3,4,4,3]return = true

The left and right subtrees mirror each other.

Constraints

The tree contains at most 10^5 nodes.