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Autodesk Software Developer Interview Questions and Answers

Updated 3 Jul 2024

Q1. What is linked list? How it is stored in memory? Give real examples of linked-list.

Ans.

A linked list is a data structure where each element points to the next element in the sequence.

  • Linked list is stored in memory as nodes, where each node contains data and a reference to the next node.

  • Examples of linked-list include a singly linked list, doubly linked list, and circular linked list.

  • In a singly linked list, each node points to the next node. In a doubly linked list, each node points to both the next and previous nodes.

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Q2. Given string s, return string y which stores first occurrence of characters of s .

Ans.

Return a string containing the first occurrence of characters in the input string.

  • Create an empty string to store the result.

  • Iterate through each character in the input string.

  • If the character is not already in the result string, add it to the result string.

  • Return the result string.

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Q3. Describe the hardest DSA questions you have ever done.

Ans.

One of the hardest DSA questions I have done involved implementing a complex graph traversal algorithm.

  • The question required understanding of graph data structures and algorithms.

  • I had to implement a depth-first search or breadth-first search algorithm.

  • The question may have involved finding the shortest path in a weighted graph.

  • I had to consider edge cases and optimize the algorithm for efficiency.

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Q4. How does ML models are built?

Ans.

ML models are built by collecting and preparing data, selecting a model, training the model on the data, and evaluating its performance.

  • Collect and prepare data by cleaning, transforming, and encoding it

  • Select a model based on the problem at hand (e.g. regression, classification, clustering)

  • Train the model using algorithms like linear regression, decision trees, or neural networks

  • Evaluate the model's performance using metrics like accuracy, precision, recall, or F1 score

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Q5. Difference between array and linked list.

Ans.

Arrays store elements in contiguous memory locations, while linked lists store elements in nodes with pointers to the next node.

  • Arrays have fixed size, while linked lists can dynamically grow or shrink.

  • Accessing elements in arrays is faster (O(1)), while accessing elements in linked lists is slower (O(n)).

  • Inserting or deleting elements in arrays can be inefficient, as it may require shifting elements, while in linked lists it can be done in constant time.

  • Example: Array - ['ap...read more

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Q6. What do you mean by os?

Ans.

OS stands for Operating System. It is a software that manages computer hardware and provides services for computer programs.

  • OS is the software that acts as an intermediary between computer hardware and user applications.

  • It manages computer resources such as memory, processors, devices, and file systems.

  • Examples of popular operating systems include Windows, macOS, Linux, and Android.

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Q7. How can deadlock be avoided?

Ans.

Deadlock can be avoided by implementing proper resource allocation strategies and using techniques like deadlock prevention, avoidance, detection, and recovery.

  • Implement proper resource allocation strategies such as resource ordering, wait-die, wound-wait, etc.

  • Use techniques like deadlock prevention by ensuring that the system never enters a deadlock state, avoidance by ensuring that the system does not enter an unsafe state, detection by periodically checking for deadlocks, ...read more

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