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Cognam Technologies SDE Interview Questions and Answers
Cognam Technologies SDE Interview Experiences
1 interview found
Anonymous
I applied via LinkedIn and was interviewed before Nov 2023. There were 2 interview rounds.
Online assessment with 2 coding questions and technical mcq's.
(4 Questions)
- Q1. Examples where stack data structure is used?
- Ans.
Stack data structure is used in function call stack, undo mechanisms, and expression evaluation.
Function call stack in programming languages like C, Java, etc.
Undo mechanisms in text editors and software applications.
Expression evaluation in compilers and calculators.
- Q2. Memory management in java?
- Ans.
Memory management in Java involves automatic garbage collection to reclaim unused memory.
Java uses automatic garbage collection to reclaim memory by identifying and deleting objects that are no longer in use.
Memory in Java is divided into two main areas: stack memory for method calls and local variables, and heap memory for objects.
Java provides the 'finalize()' method for objects to perform cleanup actions before they
- Q3. HTML basic questions?
- Q4. Medium level coding problem?
- Ans.
Implement a function to sort an array of strings based on the length of each string.
Use a sorting algorithm like quicksort or mergesort to sort the array based on the length of each string.
You can define a custom comparator function to compare the lengths of the strings.
Handle edge cases like empty strings or strings with equal lengths.
Interview Preparation Tips
- dsa
- programming language
Skills evaluated in this interview
Interview questions from similar companies
I applied via Referral and was interviewed in Feb 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Leetcode- Climb stairs (medium)
- Q2. Reverse linkedlist
(1 Question)
- Q1. Leetcode- Rotten oranges matrix
Selected
I applied via Campus Placement and was interviewed before Oct 2022. There were 4 interview rounds.
Aptitude and technical questions
2 coding questions with choice of language
(2 Questions)
- Q1. Technical questions
- Q2. Programming questions
Easy to medium test was easily solvable
Selected
I applied via LinkedIn and was interviewed in Nov 2022. There were 3 interview rounds.
General questions like reasoning and maths
General DSA questions were asked like Linked list etc
Interview Preparation Tips
DEEPANSHU MITTAL
(2 Questions)
- Q1. What is the shortest distance between two farthest vertices in a cubical room
- Ans.
The shortest distance between two farthest vertices in a cubical room is the length of the diagonal of the cube.
The diagonal of a cube can be calculated using the formula: sqrt(3) * side length
In a cube with side length 1 unit, the diagonal length is sqrt(3) units
Therefore, the shortest distance between two farthest vertices in a cubical room is sqrt(3) times the side length of the cube
- Q2. A root 5 is the ans
Quantitative and Verbal
2 Questions - DSA (Array and Numbers)
(1 Question)
- Q1. Projects mentioned in the resume and technical skills
Interview Questionnaire
1 Question
- Q1. Introduction And Overview of Company
- Ans. First introduced yourself with a little smile and before any interview go through the JD of the company, this will help you more. And one more thing that search about the interviewers who is going to take your interview.
kilari harshavardhan
Basic dp and graph questions
(2 Questions)
- Q1. Left leaf nodes sum in a binary tree
- Ans.
Calculate the sum of all left leaf nodes in a binary tree.
Traverse the binary tree using depth-first search (DFS)
Check if a node is a leaf node and if it is a left child
Add the value of the left leaf node to the sum
Recursively traverse the left and right subtrees
- Q2. About my past projects
(1 Question)
- Q1. Discussion about myself and my projects
Interview Preparation Tips
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in May 2024. There were 3 interview rounds.
Lit bit tougher as a beginner for quants like aptitude, verbal, and reasoning.
They given 40 min for coding and , topics are below linked list , stacks
They given 30 min for coding in topics of linked list , stacks
Interview Preparation Tips
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Cognam Technologies SDE Interview Process
based on 1 interview
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