Eidiko Systems Integrators Junior Engineer Interview Questions and Answers for Freshers

Coding Rount
DSA Round + Puzzle
SQL + Project Discussion
JS

Round duration - 70 Minutes
Round difficulty - Hard

Q1. 
Candies Distribution Problem Statement
Prateek is a kindergarten teacher with a mission to distribute candies to students based on their performance. Each student must get at least one candy, and if two s...read more
Ans. 
The task is to distribute candies to students based on their performance while minimizing the total candies distributed.
• Create an array to store the minimum candies required for each student.

• Iterate through the students' ratings array to determine the minimum candies needed based on the adjacent ratings.

• Consider both left-to-right and right-to-left passes to ensure fair distribution.

• Keep track of the total candies dist
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Q2. 
Merge Sort Problem Statement
You are given a sequence of numbers, ARR. Your task is to return a sorted sequence of ARR in non-descending order using the Merge Sort algorithm.
Explanation:
The Merge Sort...read more
Ans. 
Implement Merge Sort algorithm to sort a sequence of numbers in non-descending order.
• Use Divide and Conquer approach to recursively divide the input array into two halves.

• Merge the sorted halves to produce a completely sorted array.

• Ensure the implementation handles the constraints specified in the problem statement.

• Example: For input [3, 1, 4, 1, 5], the output should be [1, 1, 3, 4, 5].
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Nothing

Q1. Python Sql Linux CLI
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Q1. General discussions on learning
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Q1. Testing process and java code
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Q2. Python machine learning questions
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Java and python test was there

2 sum program from Geeks for Geeks

Q1. Ruby basics Eigen class Callbacks
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Q2. Lazy and Eagar loading N+1 problem
Ans. 
Lazy loading delays loading of related data until it is specifically requested, while eager loading loads all related data upfront. N+1 problem occurs when lazy loading results in multiple additional queries being made.
• Lazy loading is used to improve performance by only loading related data when needed

• Eager loading loads all related data upfront to reduce the number of queries made

• N+1 problem occurs in lazy loading whe...read more
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Q3. Puzzles
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Q1. AWS basics with CI/CD
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Q2. Deployment to AWS
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Q1. Basic introduction and salary discussion
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Easy level questions on string, linked list and array

Q1. Difference between TCP and UDP
Ans. 
TCP is a connection-oriented protocol while UDP is connectionless.
• TCP provides reliable, ordered, and error-checked delivery of data while UDP does not guarantee any of these.

• TCP is slower but more reliable while UDP is faster but less reliable.

• TCP is used for applications that require high reliability and accuracy such as email, file transfer, and web browsing while UDP is used for applications that require speed and ...read more
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Q2. Nibble swap program in C
Ans. 
A nibble swap program in C
• Nibble swap means swapping the 4-bit halves of a byte

• Use bitwise operators to perform the swap

• Example: unsigned char x = 0xAB; x = ((x & 0x0F) << 4) | ((x & 0xF0) >> 4);
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Q1. Reverse Linked List in C
Ans. 
Reverse a linked list in C language.
• Create three pointers: current, previous, and next.

• Traverse the linked list and change the direction of the pointers.

• Return the new head of the reversed linked list.
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Q2. Write an API call in C
Ans. 
API call in C
• Include the necessary header files

• Create a URL string with the required parameters

• Use the curl library to make the API call

• Handle the response data appropriately
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Programming on basics of C

Programming on basics of C

Q1. Salary details and location preference
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Q1. Middleware , dependency injection
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Q1. Subject and subject behaviour
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