CoinDCX Content Writer Interview Questions and Answers

Q1. Complete Code for Ludo Game. Sort of Machine coding round.
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Q2. Given an array of intervals and return the minimum number of intervals you need to remove to make the rest of the intervals non-overlapping.
Ans. 
Remove overlapping intervals to minimize removals.
• Sort intervals by end time

• Iterate through intervals, remove overlapping intervals

• Return count of removed intervals
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I was asked to implement lru cache which i did but still didn’t made to next round as apparently i didn’t complete the working code though in my opinion i did

Q1. Android Core Concepts, lifecycles, kotlin concepts and custom views
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Q2. Design a Google Calendar-like application that includes features for scheduling meetings and outline the API contracts.
Ans. 
Design a scheduling application similar to Google Calendar with API contracts for meeting management.
• User Authentication: Implement OAuth for secure login.

• Event Creation: POST /events to create a new meeting with details like title, time, and participants.

• Event Retrieval: GET /events/{id} to fetch details of a specific meeting.

• Event Update: PUT /events/{id} to modify existing meeting details.

• Event Deletion: DELETE /eve...read more
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Q1. Technical round with live coding.
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Q2. Java 8 questions, spring boot related questions
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Q1. Spring boot, Kafka , logging caching , design patterns questions.
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Q1. Basic short interview mostly related with work experience and compensation
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Q1. Custom sort , and some polyfills
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Coding for python developer round.

Q1. Python django and dsa
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Q1. Normal just salary negotiation and all.
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Oop, database, spring boot, multithreading

Q1. Two Strings are anagram or not
Ans. 
Check if two strings are anagrams by comparing the frequency of characters.
• Create two arrays to store the frequency of characters for each string.

• Compare the frequency arrays to check if they are anagrams.

• Example: 'listen' and 'silent' are anagrams.
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Q2. Java and Spring boot questions
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Q1. System design basic HLD
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Q2. Previous project architecture
Ans. 
Previous project architecture involved microservices with Docker containers and Kubernetes for orchestration.
• Utilized microservices architecture for scalability and flexibility

• Deployed services in Docker containers for easy portability and consistency

• Managed containerized applications with Kubernetes for automated scaling and orchestration
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