YoloBus Interview Questions, Process, and Tips

Fair and simple, straight foreward

Q1. Direct meeting with HR he will decide wts up.
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Q2. What's up what's ur problem premium cosco
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Q1. What is linked list, explain all the operations
Ans. 
A linked list is a linear data structure where elements are stored in nodes, each pointing to the next, allowing dynamic memory allocation.
• 1. Structure: A linked list consists of nodes, each containing data and a pointer to the next node.

• 2. Types: There are several types of linked lists: singly linked list, doubly linked list, and circular linked list.

• 3. Operations: Common operations include insertion, deletion, traver...read more
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Q2. How to use slices in python
Ans. 
Slices in Python allow you to access a subset of elements from sequences like lists, tuples, and strings.
• Basic syntax: sequence[start:stop:step]. Example: my_list[1:5] gets elements from index 1 to 4.

• Omitting start or stop: my_list[:3] gets the first three elements, my_list[2:] gets elements from index 2 to the end.

• Negative indices: my_list[-1] accesses the last element, my_list[:-1] gets all but the last element.

• Step ...read more
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Q1. Why do you want to join us?
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Q2. What are your expectations from us
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Q1. Print anagram of given array of string
Ans. 
Print anagram of given array of string
• Iterate through each string in the array

• Sort the characters of each string to find anagrams

• Store anagrams in a separate list and print
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Q2. N+1 problem solution
Ans. 
The N+1 problem occurs when a query is executed multiple times instead of being optimized.
• Use eager loading to fetch all necessary data in a single query

• Consider using includes or joins in ActiveRecord to prevent N+1 queries

• Cache data if possible to reduce the number of queries
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