SDE - 2 Delta Air Lines interview experience | Anonymous

Interview rounds

Round

Hard

Face to Face

Duration150 Minutes

Interview date12 Aug 2021

Coding problem2

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.

1. Two Sum

Easy

10m average time

90% success

0/40

Asked in companies

You are 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 Target.

Note:

We cannot use the element at a given index twice.

Follow Up:

Try to do this problem in O(N) time complexity.

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2. System Design Problem

Design an app like Practo.

Round

Easy

Video Call

Duration60 Minutes

Interview date27 Oct 2021

Coding problem2

Tech + HR

1. Sum of even & odd

Easy

15m average time

80% success

0/40

Asked in company

You are given an integer 'n'. Calculate the sum of even and odd digits of 'n', represented in decimals.

Even and odd do not refer to the position of the digit but to the polarity of the digit.

Return the answer in the form of an array of size 2, such that the 0th index represents the even sum and the 1st index represents the odd sum.

Example:

Input: 'n' = 1986.

Output: [14, 10]

Explanation: Even digits are 8 & 6, and odd digits are 1 & 9. The sum of even digits = 14, and the sum of odd digits = 10.

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