Adecco Group DOT NET Developer Interview Questions and Answers

Round duration - 105 minutes
Round difficulty - Medium

There were 3 problems .
One was easy but the other two were of medium level.

Q1. 
Aggressive Cows Problem Statement
Given an array representing positions of stalls and an integer ‘K’ representing the number of aggressive cows, determine the largest minimum distance between any two cows ...read more
Ans. 
The problem requires assigning aggressive cows to stalls in a way that maximizes the minimum distance between any two cows.
• Sort the array of stall positions in ascending order.

• Use binary search to find the largest minimum distance between cows.

• Check if it is possible to assign cows with this minimum distance by iterating through the sorted array.

• If it is possible, update the maximum distance and continue binary search ...read more
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Q2. 
Shortest Path in an Unweighted Graph
The city of Ninjaland is represented as an unweighted graph with houses and roads. There are 'N' houses numbered 1 to 'N', connected by 'M' bidirectional roads. A road...read more
Ans. 
The problem is to find the shortest path between two houses in an unweighted graph.
• The graph represents the city of Ninjaland with houses connected by roads.

• The input consists of the number of test cases, number of houses and roads, starting and ending house, and the roads between houses.

• The output is a vector of nodes representing the shortest path from the starting house to the ending house.

• If there are multiple shor...read more
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Q3. 
Count Set Bits Problem Statement
Given a positive integer N, compute the total number of '1's in the binary representation of all numbers from 1 to N. Return this count modulo 1e9+7 because the result can...read more
Ans. 
The task is to count the total number of '1' in the binary representation of all numbers from 1 to N.
• Convert each number from 1 to N into its binary representation

• Count the number of '1' bits in each binary representation

• Sum up the counts of '1' bits for all numbers

• Return the sum modulo 1e9+7
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Round duration - 60 minutes
Round difficulty - Easy

The interviewer was very polite and straightforward. 
Firstly he introduced himself and then asked me to introduce myself and then he jumped to the coding problems.
After the coding problems, he asked some questions from the OS and DBMS.

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. 
The task is to reverse the words in a given string, removing any leading or trailing spaces and replacing multiple spaces between words with a single space.
• Split the string into words using spaces as delimiters

• Reverse the order of the words

• Join the reversed words with a single space between them

• Remove any leading or trailing spaces
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Q2. 
Reverse Linked List in Groups of K
You are provided with a linked list containing 'N' nodes and an integer 'K'. The task is to reverse the linked list in groups of size K, which means reversing the nodes ...read more
Ans. 
The task is to reverse a linked list in groups of size K.
• Iterate through the linked list in groups of size K

• Reverse each group using a helper function

• Connect the reversed groups to form the final reversed linked list
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Round duration - 60 minutes
Round difficulty - Medium

The interviewer was very polite and straightforward, firstly he introduce himself and then ask me to introduce myself and then ask some ques on my projects and then he jumps to the coding problems.

Q1. 
Remove Consecutive Duplicates From String Problem Statement
Given a string STR consisting of both lower and upper case characters, your task is to remove consecutive duplicate characters from the string a...read more
Ans. 
The task is to remove consecutive duplicate characters from a given string and return the new string.
• Iterate through the characters of the string

• Compare each character with the next character

• If they are the same, skip the next character

• If they are different, add the current character to the new string

• Return the new string
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Q2. 
Maximum Path Sum in a Matrix
Given an N*M matrix filled with integer numbers, determine the maximum sum that can be obtained from a path starting from any cell in the first row to any cell in the last row...read more
Ans. 
The question asks to find the maximum sum that can be obtained from a path starting from any cell in the first row to any cell in the last row of a given matrix.
• Iterate through each cell in the first row and calculate the maximum sum path ending at that cell

• For each cell, calculate the maximum sum path ending at that cell by considering the three possible directions

• Store the maximum sum path ending at each cell in a se...read more
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Quantitative Aptitude

Q1. To write syntax for a problem using any programming language.
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Q2. Tell me about your projects and Internship experience.
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Q1. Questions were related to Hobbies, extra curricular activities and some questions of analytical ability such as color cube, maths, etc. It was in general.
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Q1. Normally not that though, smooth process
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Q2. Tell me about job responsibilities
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It's was MCQ based test

Q1. Tell me some of the oops concepts
Ans. 
Some OOP concepts include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features
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Q1. What is Guid Id please explain
Ans. 
A Guid Id is a globally unique identifier used in software development to uniquely identify objects or entities.
• Guid Ids are 128-bit integers represented as a hexadecimal string.

• They are typically used in databases, APIs, and various software systems to ensure uniqueness.

• Example: 6B29FC40-CA47-1067-B31D-00DD010662DA
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Q1. Discussion about salary
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Q1. Related to Power Sector
Ans. Power cycle piping. Erection sequence of Boiler primary and secondary structure. T&P required at time of starting work.
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Q2. Related to Erection planning
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Q3. How much manpower required to complete the plan
Ans. 
The manpower required to complete a plan depends on the scope, complexity, and timeline of the project.
• Manpower requirements can vary based on the size and complexity of the project.

• Consider the skills and expertise needed for each task in the plan.

• Factor in the timeline and deadlines for completing the plan.

• Utilize project management tools to estimate manpower needs accurately.

• Example: A large-scale construction proje...read more
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Q1. General discussion
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Q1. Complete overview of technology you are working
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Q1. Client interview
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Q1. RF Parameters,KPI implementation,UL DL Throughput,SINR,RARP
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Q1. Salary Discussion and Documents
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