University Living Accommodation Software Developer Interview Questions and Answers

Was bit tough and need to concentrate on work time

Was about coding in any language such as Java python

Q1. Basic info about the tech stack I've worked on and my previous jobs.
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Q1. React Native problem related to Flatlists and Array
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Q1. Interviewer never joined the call. The interview kept postponing to another date.
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Q1. 1. Rotten Oranges 2. Next Greater Element
Ans. 
The first question is about identifying rotten oranges in a grid, while the second question is about finding the next greater element in an array.
• Rotten Oranges: Use BFS to traverse the grid and identify rotten oranges by checking adjacent cells.

• Next Greater Element: Use a stack to keep track of elements and find the next greater element for each element in the array.

• Example for Rotten Oranges: [['2', '1', '1'], ['1', ...read more
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Basic aptitude with tracing program

3 problem with easy to hard

Leecode medium level question

Leetcode Hard level Question

Q1. This is cto round asked some interview questions
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Computer Fundamentals

Q1. Flatten a binary tree
Ans. 
Flatten a binary tree by converting it into a linked list in-place.
• Use a recursive approach to flatten the binary tree.

• Traverse the tree in a pre-order manner and keep track of the previous node.

• Set the left child of each node to null and the right child to the next node in the linked list.

• Example: Input: 1 -> 2 -> 5 -> 3 -> 4 -> null, Output: 1 -> null -> 2 -> null -> 3 -> null -> 4 -> null -> 5 -> null
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25 basic aptitude asked from train,time and work

2 coding questions which was basic and medium questions

Easy to medium, can solve with leetcode medium

Q1. Number of islands count
Ans. 
Count the number of islands in a grid of '1's and '0's
• Iterate through the grid and for each '1' encountered, perform a depth-first search to mark all connected '1's as visited

• Increment the island count for each new island found

• Ensure to handle boundary cases and check for visited nodes
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Q2. First and last index of a particular element in an array
Ans. 
Find the first and last index of a specific element in an array of strings.
• Iterate through the array and keep track of the index of the first and last occurrence of the element.

• Return the first and last index once the iteration is complete.

• Example: Array ['apple', 'banana', 'apple', 'orange'], element 'apple' - First index: 0, Last index: 2.
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