Barclays Interview Questions, Process, and Tips for Freshers

The person asked questions around resume and projects. He moved on to ask some SAS related questions on joins, transpose, macros etc

A simple case study round where a simple operations process of applying for a card, application processing & final card offer was outlined in 3-4 steps. At each step they mentioned some numbers like how many executives were involved, time taken per application, incoming app volume, rejections at each step. Then there were simple questions framed around operational efficiency, waterfall etc

Q1. They mainly ask for different scenarios like what you will do if you have 2 works & both are important for business & are to be prioritised etc etc. Or basically to check that along with analytics acumen t...read more
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ItFirst, provide an answer. (Are you hiring them? ...
Explain their strengths. (E.g. The candidate demonstrated excellent communication skills. ...
Explain why they weren't a good fit for the company or talk about areas where they can improve. ...
Summarise the experience and next steps.

First, provide an answer. (Are you hiring them? ...
Explain their strengths. (E.g. The candidate demonstrated excellent communication skills. ...
Explain why they weren't a good fit for the company or talk about areas where they can improve. ...
Summarise the experience and next steps.

First, provide an answer. (Are you hiring them? ...
Explain their strengths. (E.g. The candidate demonstrated excellent communication skills. ...
Explain why they weren't a good fit for the company or talk about areas where they can improve. ...
Summarise the experience and next steps.

Q1. About my self and basic on management
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Round duration - 90 minutes
Round difficulty - Medium

It was an online test round of 90 minutes orgainsed in Hackerearth platform. It consists of 15 mcq questions and 2 coding questions. The level was moderate. Timing of test was in morning and platform was quite good.

Q1. 
Shopping Spree Problem Statement
Preeti plans to shop for her father's birthday at a store with unlimited quantities of N different items. She has a budget that allows her to buy a maximum of K items. Hel...read more
Ans. 
Calculate the number of ways Preeti can purchase items within budget, with at least one item quantity differing.
• Use dynamic programming to calculate the number of ways to purchase items within budget.

• Consider different scenarios where Preeti buys different quantities of each item.

• Return the result modulo 10^9 + 7 to handle large answers.
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Round duration - 50 minutes
Round difficulty - Medium

Round duration - 90 Minutes
Round difficulty - Hard

The Test Was Conducted On HackerEarth. It Had 2 Sections. Section-A Had 30 Multiple Choice Questions & Section-B Had 2 Programming Questions. 

The MCQs Were On Java, Python, MongoDB, MySQL, JSON, Cloud Computing, JavaScript & C++ With the Majority Of Them On Java.

Half Of The Questions Were Theory-Based And The Other Half Were Output Based On JAVA & C++. I Would Highly Recommend Having An Excellent Knowledge Of Both JAVA & C++ To Ace Up The Online Round.

The 2 Programming Questions In Section-B Were Of 20 & 50 Marks Respectively. The 1st Question Was Easy And I Was Able To Solve It Easily. It Was Based On Number Theory. The 2nd Question Was Really Hard And Was A String Pattern Matching Question Quite Similar To The Z-Algorithm. Solving The 2nd Question Is Like A Bonus Because This Question Carries The Highest Marks. I Was Able To Solve Both The Questions.

Q1. 
Z Algorithm Problem Statement
You are provided with a string S of length N and a string P of length M. Your objective is to determine the number of times P appears in S in linear time.
Example:
Input:
...read more
Ans. 
Implement a function to count the number of occurrences of a given string within another string in linear time.
• Use the Z algorithm to preprocess the pattern string and the concatenated string to efficiently count occurrences.

• Iterate through the Z array to find matches of the pattern within the concatenated string.

• Return the count of matches found.

• Example: For S = 'ababa' and P = 'ab', the output should be 2.
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Round duration - 30 Minutes
Round difficulty - Medium

The Interview Round Was Conducted On 18th November 2020. It Was Both A Managerial Round & HR Round And Was Conducted On Webex. Every Candidate Was Assigned A Time Slot And An Interviewer. My Interviewer Was Very Friendly.
 

Round duration - 60 minutes
Round difficulty - Medium

MySql query questions
2 coding questions 
oops questions 
Networking questions

Q1. 
Sum of Two Elements Equals the Third
Determine if a given array contains a valid triplet of integers where two elements sum up to the third. Specifically, find indices i, j, and k such that i != j, j != k...read more
Ans. 
Check if a given array contains a valid triplet where two elements sum up to the third.
• Iterate through all possible triplets and check if any of the conditions are satisfied.

• Use nested loops to compare each element with every other element in the array.

• Handle cases where the same element is repeated multiple times in the array.
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Q2. 
First Missing Positive Problem Statement
You are provided with an integer array ARR of length 'N'. Your objective is to determine the first missing positive integer using linear time and constant space. T...read more
Ans. 
Find the smallest positive integer missing from an array of integers.
• Iterate through the array and mark positive integers as visited by changing the sign of the corresponding index.

• After marking, iterate again to find the first positive integer with a positive value, indicating it was not visited.

• Return the index of the first positive integer found plus 1 as the missing positive integer.
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Round duration - 60 minutes
Round difficulty - Medium

Starting with tell me about yourself
Struggling with many SQL queries
And OOPS questions
And project based questions

Q1. 
Reverse String Word Wise
You are tasked with reversing the given string word-wise. This means that the last word in the input string should appear first, the second-last word second, and so on. Importantl...read more
Ans. 
Reverse the given string word-wise while keeping the characters of each word in their original order.
• Split the input string by spaces to get individual words

• Reverse the order of the words in the resulting array

• Join the words back together with spaces in between
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