Delivery Hero Software Engineer Interview Questions and Answers

Q1. Search in 2d matrix
Ans. 
Search for a target value in a 2D matrix efficiently.
• Use binary search on rows to find the potential row where the target value may exist.

• Then use binary search on that row to find the target value.
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Q2. Find quadraplets that sum to target
Ans. 
Find quadraplets in an array that sum up to a target value.
• Use a nested loop to iterate through all possible combinations of quadraplets.

• Keep track of the sum of each quadraplet and compare it to the target value.

• Return the quadraplets that match the target sum.
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Q1. DP medium question C# Internals LLM technical writing
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2 hours coding round, only 1 person out of 90 cleared

Q1. Asked loads of dsa, super technical questions
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1 hr, there were some DSA problems

1 hr, there were some DSA problems

Q1. Any hard situation u faced ?
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Q2. How you tackled hard situation
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Got a leetcode easy question

Q1. About Cloud Services
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Q2. AWS - SNS/SQS/Lambda etc
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25 basic aptitude asked from train,time and work

2 coding questions which was basic and medium questions

It was 2 coding questions of medium level

Q1. Longest substring with non repeating characters
Ans. 
Find the longest substring in a given string that does not contain any repeating characters.
• Use a sliding window approach to iterate through the string.

• Keep track of the characters seen so far using a set.

• Update the start and end indices of the window to find the longest substring.

• Return the length of the longest substring.
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Q2. Candy problem. There is similar question in geeks for geeks
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