Delta Air Lines SDE-2 Interview Questions and Answers

Round duration - 150 Minutes
Round difficulty - Hard

First They Shared the details about the organization then started with some basic problem-solving problems. 
After finishing that They started with DSA and at last asked about System design. It was around 2.5 hours.

Q1. 
Find All Pairs Adding Up to Target
Given an array of integers ARR of length N and an integer Target, your task is to return all pairs of elements such that they add up to the Target.
Input:
The first line ...read more
Ans. 
Find all pairs of elements in an array that add up to a given target.
• Iterate through the array and use a hashmap to store the difference between the target and each element.

• Check if the current element exists in the hashmap, if so, print the pair.

• If no pair is found, print (-1, -1).
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Q2. Design an application similar to Practo.
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Round duration - 60 Minutes
Round difficulty - Easy

Tech + HR

Q1. 
Sum of Even & Odd Digits
You need to determine the sum of even digits and odd digits separately from a given integer.
Input:
The first line of input is an integer T representing the number of test c...read more
Ans. 
Given an integer, find the sum of even and odd digits separately.
• Iterate through each digit of the integer and check if it is even or odd

• Keep track of the sum of even and odd digits separately

• Return the sums of even and odd digits
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