Infosys Technologies Limited interview experience Real time questions & tips from candidates to crack your interview

SDE - 1

Infosys Technologies Limited
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2 rounds | 2 Coding problems

Interview preparation journey

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Preparation
Duration: 1 Month
Topics: Data Structures And Algorithms, OOPS, OS, Aptitude, System Design
Tip
Tip

Tip 1 : Prepare at-least 300-350 ds and algo questions from different topics
Tip 2 : Prepare aptitude on a regular basis.
Tip 3 : Time yourself while solving aptitude questions.

Application process
Where: Campus
Eligibility: Above 7 CGPA
Resume Tip
Resume tip

Tip 1 : Your resume should be one pager always.
Tip 2 : If you have a good academic score, mention it in the top of your resume.

Interview rounds

01
Round
Easy
Online Coding Interview
Duration60 Minutes
Interview date14 Sep 2020
Coding problem0

The questions were from logical reasoning(dices, mirror images) and arithmetical ability like PNC, Set theory etc.

02
Round
Medium
Face to Face
Duration45 Minutes
Interview date15 Sep 2020
Coding problem2

The questions were of medium difficulty. One was from linked list and other one was from tree.

1. Intersection of Linked List

Easy
25m average time
73% success
0/40
Asked in companies
Hewlett Packard EnterpriseSamsungIntuit

You are given two Singly Linked Lists of integers, which may have an intersection point.

Your task is to return the first intersection node. If there is no intersection, return NULL.


Example:-
The Linked Lists, where a1, a2, c1, c2, c3 is the first linked list and b1, b2, b3, c1, c2, c3 is the second linked list, merging at node c1.

alt.txt

Try solving now

2. Unival Trees

Moderate
30m average time
70% success
0/80
Asked in companies
IBMAmazonSCAAI

You are given a binary tree. Return the count of unival sub-trees in the given binary tree. In unival trees, all the nodes, below the root node, have the same value as the data of the root.

For example: for the binary tree, given in the following diagram, the number of unival trees is 5.

alt-text

Try solving now

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?

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