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Maersk interview experience Real time questions & tips from candidates to crack your interview

Maersk

2 rounds | 7 Coding
problems

Preparation

Duration: 6 months

Topics: Aptitude, SQL, Data structure, Dynamic Programming, Recursion, C++, Logical reasoning

Tip

Tip 1 : Read interview experience before interview

Tip 2 : Think loud about each coding question.

Application process

Where: Campus

Eligibility: 7 cgpa and no backlogs

Resume tip

Tip 1 : No spelling mistake in resume.

Tip 2 : Resume should be in proper format

01

Round

Medium

Online Coding Interview

Duration95 minutes

Interview date23 Oct 2020

Coding problem1

The 1st round was online coding + MCQ round. It had 3 sections in total to be solved in 95 mins.

Next comes the technical interview.

The technical interview lasted for about 45 minutes. It started with a basic introduction. Then, she framed some questions from my resume and projects which I have mentioned. Questions were mainly from Data structure, OS, DBMS, SQL. She told me to rate my data structure skill on a scale of 1 to 5.

My interview was at 10:30 am and the interviewer was really nice. She was helping me wherever I was getting stuck.

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Problem approach

Sort the array and return second last element.

02

Round

Medium

Face to Face

Duration45 minutes

Interview date24 Jan 2021

Coding problem6

The technical interview lasted for about 45 minutes. It started with a basic introduction. Then, she framed some questions from my resume and projects which I have mentioned. Questions were mainly from Data structure, OS, DBMS, SQL. She told me to rate my data structure skill on a scale of 1 to 5.

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Problem approach

I started with a basic brute force approach by counting the number of 0’s,1’s,2’s. Let the count be x,y,z then we can traverse again and fill x nodes as 0 , y nodes as 1 and z nodes as 2.

Then the interviewer asked me to optimize the solution

Next comes the efficient solution

Iterate through the linked list. Maintain 3 pointers named zero, one, and two to point to current ending nodes ...

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Problem approach

First solution using extra space:

1) We can make a set of integer.

2) Traverse the linked list and store the values in set.

3) After traversal the set will contain all those elements which are unique.

4) We can then copy those elements back to the linked list.

The interviewer asked me to optimize and asked me the complexity.

So second optimised solution:

1) Traver...

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What is a semaphore?

What is race condition?

Problem approach

Tip 1 : Be accurate and give real-life examples

Tip 2 : Try to include interviewer in discussion

Describe all the joins in SQL with a Venn diagram.

Problem approach

Tip 1 : Draw the diagram and explain logic.

Problem approach

1. Start from the root.

2. Compare the searching element with root, if less than root, then recurse for left, else recurse for right.

3. If the element to search is found anywhere, return true, else return false.

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Problem approach

Initially all vertex are unvisited so visited[i] will be false for all i and as no path is yet constructed so distance[i] will be infinity or you can take any value like -1 and set predecessor[i] as -1 for all i.

Now the first vertex to be visited is sourse and distace of Source to source is 0 hence visited[source] = true

distance[source]=0.

queue.push(source).

while there a...

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Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

What is the result of 4 % 2?

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