Coinbase interview experience Real time questions & tips from candidates to crack your interview

# SDE - 1

Coinbase
2 rounds | 4 Coding problems

## Interview preparation journey

Journey
I kept practising DSA and CS fundamentals from the 3rd year of Engineering. Along with it, I was also learning web development and I made some good projects.
Application story
This company visited our campus for hiring, and I applied for the position. There were many rounds, starting with an online assessment.
Why selected/rejected for the role?
I was rejected because I was not able to give a concise and good solution to the question being asked to me.
Preparation
Duration: 4 months
Topics: Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming
Tip

Tip 1: Mention some good projects on your resume.

Tip 2: Be confident.

Tip 3: Be proficient in computer science basics, DSA, and algorithms.

Application process
Where: Campus
Eligibility: No criteria
Resume tip

Tip 1: Include good projects.

Tip 2: Having some achievements is a plus point.

## Interview rounds

01
Round
Easy
Video Call
Duration60 minutes
Interview date21 May 2023
Coding problem2

### 1. Count Distinct Element in Every K Size Window

Easy
15m average time
85% success
0/40

#### You are given an array ‘ARR’ of size ‘N’ and an integer ‘K’. Your task is to find the total number of distinct elements present in every...

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Problem approach

Tip 1: Simple sliding window problem

### 2. Capacity To Ship Packages Within D Days

Moderate
15m average time
85% success
0/80

#### You are the owner of a Shipment company. You use conveyor belts to ship packages from one port to another. The packages must be shipped within 'd' days.

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02
Round
Easy
Video Call
Duration60 minutes
Interview date21 May 2023
Coding problem2

Moderate
30m average time
65% success
0/80

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### 2. Find Path

Hard
10m average time
90% success
0/120

#### You are given a tree with 'N' nodes with 'N' - 1 distinct edge. You are also given two nodes 'N1' and 'N2'. You have to find and print the shortest path between 'N1' and 'N2'.

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Problem approach

Tip 1: I used graph traversal with an array

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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