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LeetCode is working on providing the best online coding experience for you. In the code editor, we start you off with default code templates based on the question and your choice of language.

Can you solve this real interview question? Palindrome Number - Given an integer x, return true if x is a palindrome, and false otherwise. Example 1: Input: x = 121 Output: true Explanation: 121 reads as …

A leaf is a node with no children. Example 1: [https://assets.leetcode.com/uploads/2021/01/18/pathsum1.jpg] Input: root = …

Can you solve this real interview question? Kth Largest Element in an Array - Given an integer array nums and an integer k, return the kth largest element in the array. Note that it is the kth largest …

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