Coinbase interview experience Real time questions & tips from candidates to crack your interview
SDE
Coinbase
2 rounds | 3 Coding
problems
Rejected
Interview preparation journey
Preparation
Duration: 3 months
Topics: Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming
Tip 1 : OOPS - You should be well versed with basic OOPS principles
Tip 2 : You should be confident and have profound knowledge about the projects you worked on
Tip 3 : Basic DB concepts like joins, normalisation
Application process
Where: Campus
Eligibility: Above 7 CGPA
Tip 1 : Have some projects on resume.
Tip 2 : Do not put false things on resume.
Interview rounds
01
Round
Easy
Video Call
Duration45 minutes
Interview date19 Nov 2022
Coding problem1
1. Max Product Subset
Moderate
15m average time
85% success
0/80
Asked in companies
You are given an array/list ‘arr’ of size ‘n’. Your task is to find the maximum product possible by taking any subset of the array/list ‘arr’.
Since the product can be large, return it m...
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Problem approach
You are given an array/list ‘arr’ of size ‘n’. Your task is to find the maximum product possible by taking any subset of the array/list ‘arr’.
02
Round
Easy
Video Call
Duration45 minutes
Interview date19 Nov 2022
Coding problem2
1. Populating Next Right Pointers in Each Node
Moderate
25m average time
75% success
0/80
Asked in companies
You have been given a complete binary tree of ‘N’ nodes. The nodes are numbered 1 to ‘N’.
You need to find the ‘next’ node that is immediately right in the level order form for ea...
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Problem approach
You have been given a complete binary tree of ‘N’ nodes. The nodes are numbered 1 to ‘N’.
You need to find the ‘next’ node that is immediately right in the level order form for each node in the given tree.
2. Puzzle Question
Two wire burning puzzle.
Problem approach
If we light a stick, it takes 60 minutes to burn completely. What if we light the stick from both sides? It will take exactly half the original time, i.e. 30 minutes to burn completely.
1) 0 minutes – Light stick 1 on both sides and stick 2 on one side.
2) 30 minutes – Stick 1 will be burnt out. Light the other end of stick 2.
3) 45 minutes – Stick 2 will be burnt out. Thus 45 minu...
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Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
What is the result of 4 % 2?
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