TekFriday Processing Solutions Software Developer Interview Questions and Answers

Q1. How make a queue using a stack
Ans. 
To implement a queue using a stack, use two stacks and simulate the queue operations.
• Use two stacks, one for enqueue operation and one for dequeue operation.

• For enqueue operation, simply push elements onto the stack used for enqueueing.

• For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.

• Then pop from the dequeue stack to simulate dequeue operation.
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Q2. Create a linked list
Ans. 
A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.
• Create a Node class with data and next pointer

• Initialize a head pointer to null

• Add nodes by updating next pointers

• Traverse the list by following next pointers
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It was ok. I was not able to solve all the questions.

Q1. Remove the last element from a linkedlist
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Q2. Some basic questions on oops dbms and os
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Q1. Tell me about
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Q2. Your self they are asking
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Q3. What is your weakness
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Q4. Any questions ask for me
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Q5. All the best future
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Coding for international

Quantitative arithmetic,verbal reasoning,non-verbal reasoning,etc

Aptitude test was easy but difficult

Q1. Technical questions linked list
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Q2. Array binary search Dp
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In first round there were two test
1st is the personality test.
2nd is the aptitude test were they asked about 10 aptitude questions and around 40 coding based questions, some of them were mcq and rest were output based.

Contains 4 DSA based questions, 1 question was hard, and other 3 questions were of medium level.

60mintues DSA level coding exam