Zig-zag traversal of tree Subset sum LCS
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Q: house robber problem of dp Q: bfs algorithm
Round 1: Variation of 2 Sum, and then 3 Sum as follow up. Java specific questions on HashMaps. Round 2: LRU Cache leetcode. DB questions, ArrayList, LinkedList, HashMap questions.
Hashmap problems for both leetcodes
JavaScript Questions Basic Concepts: Explain the difference between var, let, and const. How does hoisting work in JavaScript? What are closures and how do they work? Explain the concept of promises and async/await. Functions and Scope: Write a function to reverse a string. How does the this keyword work in JavaScript? Explain the difference between function declarations and function expressions. Data Structures: How do you manipulate arrays (e.g., map, filter, reduce)? Explain how JavaScript objects work and how to manipulate them. Event Handling: How do event listeners work in JavaScript? Explain the event loop and how JavaScript handles asynchronous operations. Problem-Solving Questions Sorting: Implement common sorting algorithms (e.g., bubble sort, merge sort, quicksort). Explain the time and space complexity of different sorting algorithms. Arrays: Write a function to find the maximum/minimum element in an array. Given an array of integers, write a function to return the indices of the two numbers that add up to a specific target. Write a function to rotate an array to the right by a given number of steps.
Tell us about yourself? Tell us about a project you successfully completed
Describe a time you faced a deadline
What is one time that you faced a challenge and how did you solve it
1. construct tree from given inorder and preorder traversal 2. Rod cutting Dynamic programming problem.
The code question is leetcode 136
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