Bytelearn Edtech Interview Questions, Process, and Tips

Q1. Find number of Island in given binary matrix
Ans. 
Count the number of islands in a binary matrix.
• Traverse the matrix and for each 1 encountered, perform DFS to mark all connected 1s as visited.

• Increment the island count for each new DFS traversal.

• Use a visited matrix to keep track of visited cells.

• Consider diagonal cells as connected if required.

• Optimize by using Union-Find data structure.
Answered by AI
Add your answer
Q2. Find the median of the stream of number
Ans. 
Find the median of a stream of numbers.
• Maintain two heaps, one max heap for the lower half and one min heap for the upper half.

• If the size of the heaps differ by more than 1, balance them by moving the root of one heap to the other.

• If the size of the heaps are equal, the median is the average of the roots of the two heaps. Otherwise, the median is the root of the heap with more elements.
Answered by AI
Add your answer

Q1. Discussion on the project.
Add your answer
Q2. Some medium level leetcode question
Add your answer

We have given a task to create a blog application using react.js and any other backend technologies

Q1. Javascript fundamentals and basic javascript output questions
Add your answer
Q2. Questions based on the event loop
Add your answer
Q3. Closures, and memoization
Add your answer
Q4. Polyfill for map and reduce
Ans. 
Polyfill for map and reduce functions in JavaScript.
• Create a function that takes an array and a callback function as arguments.

• Loop through the array and apply the callback function to each element.

• Return a new array with the modified elements.

• For reduce, create a function that takes an array, a callback function, and an initial value as arguments.

• Loop through the array and apply the callback function to each element a...read more
Answered by AI
Add your answer
Q5. Css positioning and other basic css questions
Add your answer
Q6. React lifecycle methods questions
Add your answer