Tata 1mg Interview Questions, Process, and Tips

Q1. Tell me about yourself. ... Tell me about your experience as a pharmacist. ... Why did you become a pharmacist? ... What do you like best about being a pharmacist
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Q1. Tell me about Basic knowledge of computer & billing What is e-priscription. What is scheduled drug H1 & Nx drugs. What is antibiotics and anti-inflammatory drugs.
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Q1. Opps manager round they will asked about your experience or strength.
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Q2. About experience, education, etc..
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Q3. About escalation,Custome, tool knowledge etc....
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Q1. They will ask technical questions about escalation customer support
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Q1. Salary discussed in this round
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Normal discussion about guesstimates

Round duration - 90 minutes
Round difficulty - Medium

There were a total of 3 coding questions to be solved, and the time limit was 90 minutes. The candidate was free to use language of their choice.

Q1. 
Longest Palindromic Subsequence Problem Statement
Given a string A consisting of lowercase English letters, determine the length of the longest palindromic subsequence within A.
Explanation:
• A subsequ...read more
Ans. 
The task is to find the length of the longest palindromic subsequence in a given string.
• A subsequence is a sequence generated from a string after deleting some or no characters of the string without changing the order of the remaining string characters.

• A string is said to be palindrome if the reverse of the string is the same as the actual string.

• Find the longest palindromic subsequence by considering all possible subs...read more
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Round duration - 45 minutes
Round difficulty - Easy

The first round of interview lasted for around 45 minutes. I was asked two DSA questions, and was supposed to code them while my screen was shared. I wrote code for both the questions with little help from the interviewer. Finally, I was asked couple of questions based on my resume.

Q1. 
Merge Two Sorted Linked Lists Problem Statement
You are provided with two sorted linked lists. Your task is to merge them into a single sorted linked list and return the head of the combined linked list.
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Ans. 
The task is to merge two sorted linked lists into a single sorted linked list.
• Create a new linked list to store the merged list

• Compare the values of the nodes from both lists and add the smaller value to the new list

• Move the pointer of the list with the smaller value to the next node

• Repeat the comparison and addition until one of the lists is empty

• Add the remaining nodes from the non-empty list to the new list

• Return th
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Q2. 
Rotational Equivalence of Strings Problem Statement
Given two strings 'P' and 'Q' of equal length, determine if string 'P' can be transformed into string 'Q' by cyclically rotating it to the right any num...read more
Ans. 
The task is to check if one string can be converted into another string by cyclically rotating it to the right any number of times.
• Iterate through each character of the first string and check if it matches the corresponding character in the second string after a certain number of cyclic rotations.

• If all characters match for any number of cyclic rotations, then the first string can be converted into the second string.

• Us...read more
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Round duration - 30 minutes
Round difficulty - Medium

I was given one data structure question and was then asked about recursion.

Q1. 
Next Greater Element Problem Statement
You are provided with an array or list ARR containing N positive integers. Your task is to determine the Next Greater Element (NGE) for each element in the array.
T...read more
Ans. 
The task is to find the next greater element for each element in an array.
• Iterate through the array from right to left

• Use a stack to keep track of the elements

• For each element, pop elements from the stack until a greater element is found or the stack is empty

• If a greater element is found, it is the next greater element for the current element

• If the stack becomes empty, there is no greater element to the right

• Store the ...read more
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Round duration - 40 minutes
Round difficulty - Easy

This was the hiring manager round. No data structures question were asked in this round. There was discussion around the projects that I had done and my resume. As I am from EEE branch, I was asked why I want to get into software. The interview happened around 8 PM. I was asked to create a schema for one of my projects.

Q1. Why do you want to pursue a career in software?
Ans. 
I want to get into software because of my passion for problem-solving and the opportunity to create innovative solutions.
• Passion for problem-solving

• Opportunity to create innovative solutions

• Interest in technology and its impact on society

• Career growth and job stability

• Flexibility and remote work options
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Round duration - 60 Minutes
Round difficulty - Medium

It has 3 Coding Questions of medium-hard level and the time limit was 1 hour only. I don’t exactly remember the questions but I was able to do only two of them completely.

Q1. 
Biggest Number Formation Problem
Your task is to construct the largest number possible by concatenating each of the provided positive integers in the array exactly once.
Input:
Integer T denoting the nu...read more
Ans. 
Using the inbuilt library of Python, itertools library can be used to perform this task.
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Q2. 
Number of Longest Increasing Subsequence Problem Statement
Given an integer array ARR of length N, determine the count of longest increasing subsequences present in the array.
Explanation:
The Longest I...read more
Ans. 
Querying the length of the longest is fairly easy. Note that we are dealing with end elements only. We need not maintain all the lists. We can store the end elements in an array. Discarding operation can be simulated with replacement, and extending a list is analogous to adding more elements to the array.
We will use an auxiliary array to keep end elements. The maximum length of this array is that of input. In the worst...read more
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Round duration - 60 Minutes
Round difficulty - Medium

First, the interviewer introduced himself and then asked to introduce myself. Then he asked about the projects I did. After an introductory discussion on projects, he gave me 3 coding questions on their personal live code environment.

He asked me to explain the approach first and then code it down. I had to explain the time complexity of each solution and optimal code if possible with lesser time complexity.

Q1. 
Cache Operations Problem
You are provided with a cache that can hold a maximum of 'N' elements. Initially, this cache is empty. There are two main operations you can perform on this cache:
Explanation:
...read more
Ans. Brute Force
We can maintain a list of cache initialized with -1 which represents all the cells in the cache are empty. Declare a list that stores value at ith position, frequency of times it was used, and last operation it was used. 
Declare a list ‘ANS’ that stores answer for all queries of type 2. We perform each operation as follows:-
 
• If the operation is of type 1 then iterate cache and check if the element ...read more
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Q2. 
Possible Words from a Phone Number: Problem Statement
Given a string S composed of digits ranging from 2 to 9, determine all possible strings that can be created by mapping these digits to their correspon...read more
Ans. 
I explained to him the logic of my approach and he seems satisfied with it. It was sort of medium-level difficulty.
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Q3. 
Shortest Unique Prefix Problem
You are given an array containing N words. Your task is to derive the shortest prefix for each word that uniquely identifies it amongst the other words. For instance, given t...read more
Ans. 
I gave him a brute force approach with which he was not satisfied. Then he gave me time to think and asked for more optimized approach. Then after 5 min i gave him this Trie solution and then i explained him the structure of trie along with the code
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Round duration - 60 Minutes
Round difficulty - Hard

In this round interviewer gave me 2 coding questions and asked me to code on any editor of my choice. I opened VS code to code those problems.

Q1. 
Maximum Subarray Sum Problem Statement
Given an array arr of length N consisting of integers, find the sum of the subarray (including empty subarray) with the maximum sum among all subarrays.
Explanation...read more
Ans. 
I explained to him my approach (Kadane’s algorithm) and he seems satisfied with it and asked to code it down.
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Q2. 
LRU Cache Implementation
Design and implement a data structure for the Least Recently Used (LRU) cache, which supports the following operations:
1. get(key) - Return the value associated with the key if ...read more
Ans. 
I gave him a brute force solution but the interviewer was not satisfied. I was stuck for some time, then he helped me with data structure (doubly linked list). After 15-20 min of discussion, I was able to do that question and code it down.
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Round duration - 40 Minutes
Round difficulty - Easy

The interviewer was very friendly. He asked me about myself and previous interviews.