Snap-on Business Solutions Full Stack Developer Interview Questions, Process, and Tips for Freshers

Round duration - 60 minutes
Round difficulty - Medium

Timing - 1:00 pm
Zoom video call. Was asked to share screen while coding.
Interviewer was friendly

Q1. 
String Palindrome Verification
Given a string, your task is to determine if it is a palindrome considering only alphanumeric characters.
Input:
The input is a single string without any leading or trailing...read more
Ans. 
Check if a given string is a palindrome considering only alphanumeric characters.
• Remove non-alphanumeric characters from the input string.

• Compare the string with its reverse to check for palindrome.

• Handle edge cases like empty string or single character input.
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Q2. 
Character Counting Challenge
Create a program that counts and prints the total number of specific character types from user input. Specifically, you need to count lowercase English alphabets, numeric digi...read more
Ans. 
Create a program that counts lowercase alphabets, digits, and white spaces in user input until '$' is encountered.
• Read characters from input stream until '$' is encountered

• Count lowercase alphabets, digits, and white spaces separately

• Print the counts of each character type as three integers separated by spaces
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Round duration - 60 Minutes
Round difficulty - Medium

It was taken at 1:00 pm.
This was taken by senior management. 
Was asked to share the screen.

Q1. 
Middle of a Linked List
You are given the head node of a singly linked list. Your task is to return a pointer pointing to the middle of the linked list.
If there is an odd number of elements, return the ...read more
Ans. 
Return the middle element of a singly linked list, or the one farther from the head if there are even elements.
• Traverse the linked list with two pointers, one moving twice as fast as the other

• When the fast pointer reaches the end, the slow pointer will be at the middle

• If there are even elements, return the one pointed by the slow pointer
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Q2. 
Sort Array of Strings Problem Statement
Given an array of strings ARRSTR[] of size N, and a character C, your task is to sort the ARRSTR[] array according to a new alphabetical order that starts with the ...read more
Ans. 
Sort an array of strings based on a new alphabetical order starting with a given character.
• Iterate through the array of strings and compare each string based on the new alphabetical order starting with the given character.

• Use a custom comparator function to sort the strings according to the new alphabetical order.

• Return the sorted array of strings.
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Round duration - 60 Minutes
Round difficulty - Easy

Timing - 5:30 pm
Interviewer was very friendly.