System Engineer
Tata Consultancy Services (TCS)
2 rounds | 3 Coding problems
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Interview preparation journey
Preparation
Duration: 3 months
Topics: Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming
Tip

Tip 1 : Practice from Leetcode, solve Leetcode medium level problems.
Tip 2 : Brush up computer fundamentals from subjects like OS, DBMS and CN.
Tip 3 : Have a good project or good internship experience and have in-depth knowledge regarding what you have done.

Application process
Where: Campus
Eligibility: Above 6 CGPA
Resume tip

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 date15 Oct 2021
Problems2
Maximum Subarray Sum

#### You are given an array (ARR) of length N, consisting of integers. You have to find the sum of the subarray (including empty subarray) having maximum sum among all subarrays.

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Problem approach

You are given an array/list ARR consisting of N integers. Your task is to find the maximum possible sum of a non-empty subarray(contagious) of this array.
Note: An array C is a subarray of array D if it can be obtained by deletion of several elements(possibly zero) from the beginning and the end of array D.

LCA Of Binary Tree

#### You have been given a Binary Tree of distinct integers and two nodes ‘X’ and ‘Y’. You are supposed to return the LCA (Lowest Common Ancestor) of ‘X’ and ‘Y’.

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Problem approach

You have been given a Binary Tree of distinct integers and two nodes ‘X’ and ‘Y’. You are supposed to return the LCA (Lowest Common Ancestor) of ‘X’ and ‘Y’.
The LCA of ‘X’ and ‘Y’ in the binary tree is the shared ancestor of ‘X’ and ‘Y’ that is located farthest from the root.
Note :
You may assume that given ‘X’ and ‘Y’ definitely exist in the given binary tree.

02
Round
Easy
HR Round
Duration30 minutes
Interview date15 Oct 2021
Problems1
Basic HR Questions

Why we hire you?
Are you willing to relocate?
Where you see yourself after 5 years?

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