Strategic Resources Interview Questions and Answers

Round duration - 30 minutes
Round difficulty - Hard

This was face to face interview round. All questions asked by the interviewer were based on data structures.

Q1. 
Cycle Detection in a Singly Linked List
Determine if a given singly linked list of integers forms a cycle or not.
A cycle in a linked list occurs when a node's next points back to a previous node in the ...read more
Ans. 
Detect if a singly linked list forms a cycle by checking if a node's next points back to a previous node.
• Use Floyd's Cycle Detection Algorithm to determine if there is a cycle in the linked list.

• Maintain two pointers, one moving at twice the speed of the other, if they meet at some point, there is a cycle.

• If one of the pointers reaches the end of the list (null), there is no cycle.
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Q2. 
Anagram Pairs Verification Problem
Your task is to determine if two given strings are anagrams of each other. Two strings are considered anagrams if you can rearrange the letters of one string to form the...read more
Ans. 
Determine if two strings are anagrams of each other by checking if they have the same characters in different order.
• Create character frequency maps for both strings and compare them.

• Sort both strings and compare them.

• Use a hash table to store character counts and check if they are equal for both strings.
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Round duration - 20 minutes
Round difficulty - Easy

HR round is easy, in this round the HR basically ask some basic questions regarding me. He just want to check my confidence and communication skills .