Wells Fargo interview experience Real time questions & tips from candidates to crack your interview
SDE - Intern
Wells Fargo
3 rounds | 4 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 3 Months
Topics: Dynamic Programming, OOPS, Algorithms, Graphs, Trees
Tip 1 : Practice as many variety of Algorithms and DS Questions as you can
Tip 2 : Competitive Programming while not necessary helps a lot.
Tip 3 : Have proper technical knowledge of your internships and projects, if any
Application process
Where: Campus
Eligibility: 8+ CGPA
Tip 1 : Be brief with the details of the internship
Tip 2 : Write projects only if you can properly explain it technically
Interview rounds
01
Round
Easy
Online Coding Interview
Duration90 minutes
Interview date1 Sep 2020
Coding problem1
The test was divided into three parts:
First was of English/Reasoning Questions
Second was statistical/Logical Questions
Third was Coding round
1. Find Number Of Islands
Moderate
34m average time
60% success
0/80
Asked in companies
You are given a 2-dimensional array/list having N rows and M columns, which is filled with ones(1) and zeroes(0). 1 signifies land, and 0 signifies water.
A cell is said to be connected to another cell, if one cell lies immediately next to the other cell, in any of the eight directions (two vertical, two horizontal, and four diagonals).
A group of connected cells having value 1 is called an island. Your task is to find the number of such islands present in the matrix.
Problem approach
Step 1: Start a loop at every index of the array
Step 2: At every 1 you encounter, if you haven't already visited, start a dfs to all the neighbouring ones.
Step 3: Increment an index everytime you perform a dfs
02
Round
Medium
Face to Face
Duration60 minutes
Interview date2 Sep 2020
Coding problem2
It was a face-to-face interview. It happened online because of the ongoing pandemic.
1. Operating System Question
What are deadlocks? What are the necessary conditions for a deadlock?
Problem approach
Tip 1: Be straight to the point
Tip 2: Be very clear with your answer. If you are not completely sure about something, better leave it.
Tip 3: Do not pretend to know the answer. If you do not know, be honest.
2. Factorial of a Number
Moderate
25m average time
70% success
0/80
Asked in companies
You are given an integer ‘N’. You have to print the value of Factorial of ‘N’. The Factorial of a number ‘N’ is defined as the product of all numbers from 1 to ‘N’.
For Example:
Consider if ‘N’ = 4, the Factorial of 4 will be the product of all numbers from 1 to 4, which is 1 * 2 * 3 * 4 = 24. Hence, the answer is 24.
Problem approach
Step 1: Create an array of n numbers and make f[1]= 1
Step 2: Loop though the array from 2-n and make f[I] = I * f[i-1]
03
Round
Medium
Video Call
Duration60 minutes
Interview date2 Sep 2020
Coding problem1
This problem was more about the discussion on my Resume, my past Experiences and discussion regarding my Project.
1. Basic HR question
The interviewer asked about my past Experience and how I designed the backend of an app.
Problem approach
Tip 1: Be clean and concise
Tip 2: Do not exaggerate
Tip 3: Explain your work technically.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
What is recursion?
Choose another skill to practice
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