ESDS Software Solutions Technician Engineer Interview Questions and Answers

Round duration - 30 minutes
Round difficulty - Medium

This was a MCQ round. 30 ques in 30 mins consisting of difficult quantitative aptitude questions were to be solved.

Round duration - 60 minutes
Round difficulty - Medium

In this test round, 2 coding questions were given. Either write the code or pseudo code

Q1. 
N Queens Problem
Given an integer N, find all possible placements of N queens on an N x N chessboard such that no two queens threaten each other.
Explanation:
A queen can attack another queen if they ar...read more
Ans. 
The N Queens Problem involves finding all possible placements of N queens on an N x N chessboard without threatening each other.
• Use backtracking algorithm to explore all possible configurations.

• Keep track of rows, columns, and diagonals to ensure queens do not threaten each other.

• Generate all valid configurations and print them out.
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Q2. 
Sort 0 1 2 Problem Statement
Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.
Input:
The first line contains an integer 'T' representing the n...read more
Ans. 
Sort an array of 0s, 1s, and 2s in linear time complexity.
• Use three pointers to keep track of 0s, 1s, and 2s while traversing the array.

• Swap elements based on the values encountered to sort the array in-place.

• Time complexity should be O(N) and space complexity should be O(1).
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Round duration - 60 minutes
Round difficulty - Easy

This was a technical round with questions on DSA.

Q1. 
Reverse Words in a String: Problem Statement
You are given a string of length N. Your task is to reverse the string word by word. The input may contain multiple spaces between words and may have leading o...read more
Ans. 
Reverse words in a string while handling leading, trailing, and multiple spaces.
• Split the input string by spaces to get individual words

• Reverse the order of the words

• Join the reversed words with a single space in between
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Q2. 
Circular Linked List Detection
You are provided with the head of a linked list containing integers. Your task is to determine if the linked list is circular.
Note:
• A linked list is considered circula...read more
Ans. 
Detect if a given linked list is circular by checking if it forms a closed loop.
• Traverse the linked list using two pointers, one moving at double the speed of the other.

• If the two pointers meet at any point, the linked list is circular.

• If the faster pointer reaches the end of the list (NULL), the linked list is not circular.
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Round duration - 30 minutes
Round difficulty - Easy

HR round with typical behavioral problems.

Test contain mix question from computer fundamentals and aptitude

Q1. Find the leaf node of the binary tree
Ans. 
A leaf node in a binary tree is a node that does not have any children.
• Traverse the binary tree and check if a node has no left or right child, then it is a leaf node.

• Example: In the binary tree 1 -> 2, 3 -> 4, 5, 6 -> 7, 8, the leaf nodes are 4, 5, 7, 8.
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Q2. Check if the given linked list contain loop
Ans. 
Check if a linked list contains a loop by using Floyd's cycle detection algorithm.
• Use two pointers, one moving at twice the speed of the other

• If there is a loop, the two pointers will eventually meet

• Example: 1->2->3->4->5->2 (loop at 2)
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Q3. Find the fist non repeating element in string
Ans. 
Find the first non-repeating element in a string
• Create a frequency map of characters in the string

• Iterate through the string and check the frequency of each character

• Return the first character with frequency 1
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Q1. They have connected the client call with me directly and only that 2 round of technical interview happened and hr round. That's it
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Q1. Easy interview interview with tcs
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Q2. Hana consultant
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Q1. Theories of failure, in depth
Ans. 
Theories of failure explain how and why materials fail under different conditions.
• Theories of failure are used to predict the failure of materials under different loads and conditions.

• There are different types of theories of failure, including maximum shear stress theory, maximum normal stress theory, and maximum strain energy theory.

• Maximum shear stress theory states that failure occurs when the maximum shear stress i...read more
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Q2. Basic material properties
Ans. 
Basic material properties include density, strength, hardness, elasticity, and conductivity.
• Density refers to the mass per unit volume of a material.

• Strength is the ability of a material to withstand external forces without breaking or deforming.

• Hardness is the resistance of a material to indentation or scratching.

• Elasticity is the ability of a material to return to its original shape after being deformed.

• Conductivity ...read more
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Normal question asked

Easy test

Q1. About oops c c++ python
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Q2. Python basics and cloud basics
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Q1. Where do you see yourself in 5 years?
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Q2. Why should we hire you?
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Q3. Tell me about yourself.
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Q4. Personal details why you are best
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C,c++,java ,SQL, javascript and python

Q1. Types of Polymorphism
Ans. 
Polymorphism in programming refers to the ability of a single function or method to operate on different data types.
• There are two main types of polymorphism: compile-time (static) polymorphism and run-time (dynamic) polymorphism.

• Compile-time polymorphism is achieved through function overloading and operator overloading.

• Run-time polymorphism is achieved through inheritance and virtual functions.

• Example of compile-time p...read more
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Q1. What is use of ng-content ?.
Ans. 
ng-content is used in Angular to project content into a component's template.
• ng-content is used to pass content into a component from the outside.

• It allows for dynamic content insertion within a component's template.

• ng-content is often used in combination with ng-template and ng-container.

• It is commonly used for creating reusable components with varying content.
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