Intercontinental Exchange Senior Developer Interview Questions and Answers for Experienced

The questions were medium-difficult level

A basic coding question was asked regarding a buisness logic.

Basic apti test including topics from dbms cn oop os and 2 coding q

Leetcode hard hashmap problem was given in this round

1 on 1 with director with discussions on dbms etc

Q1. DSA Round & Introduction Round
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Q2. DP Question related to subsequence
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Q1. Design Parking Lot
Ans. 
Design a parking lot system with multiple levels and spots for cars.
• Create a class for ParkingLot with attributes like levels, spots per level, etc.

• Implement methods for parking a car, removing a car, checking availability, etc.

• Consider implementing a ticketing system for tracking parked cars.

• Utilize data structures like arrays, lists, or maps to manage parking spots efficiently.
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Q2. Sort Numbers with large file
Ans. 
Use external sorting algorithm like merge sort to efficiently sort numbers in a large file.
• Break the large file into smaller chunks that can fit into memory

• Sort each chunk individually using a sorting algorithm like merge sort

• Merge the sorted chunks back together to get the final sorted result
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