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Ingeniero Iii Interview Questions

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2,122 ingeniero iii interview questions shared by candidates

In Person with 4 people (~45min each): 1. Check if binary tree A is contained in binary tree B. Write code on paper. 2. Derive a formula for calculating the angle between the hour hand and minute hand in a clock. 3. Design a parking lot. Discuss what data structures to use.
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Software Development Engineer III

Interviewed at Amazon

3.5★
Jul 18, 2012

In Person with 4 people (~45min each): 1. Check if binary tree A is contained in binary tree B. Write code on paper. 2. Derive a formula for calculating the angle between the hour hand and minute hand in a clock. 3. Design a parking lot. Discuss what data structures to use.

Amazon needs a simple service to create, read, update and delete customer addresses. 1. Write the interface for this service. What methods are needed? What parameters would each method require and what data would each method return? 2. Using the following assumptions, describe how you would design your system: You need to store 10 TB of addresses. Your service must support 10,000 transactions per second. Each of your databases can only handle 1TB of data. Each of your application servers can only handle 1,000 TPS Question 1: 1. What is the runtime complexity for the code below? 2. What is the space complexity for the code below? Queue<TreeNode> queue = new LinkedList<BinaryTree.TreeNode>() ; public void myMethod(TreeNode root) { if (root == null) return; queue.clear(); queue.add(root); while(!queue.isEmpty()){ TreeNode node = queue.remove(); if(node.left != null) queue.add(node.left); if(node.right != null) queue.add(node.right); Question 2: 1. What is the runtime complexity for the code below? // Precondition: array[] is sorted int search(int array[], int numberToFind, int min, int max) { while (max >= min) { int index = midpoint(min, max); if(array[index] == numberToFind) return index; else if (array[index] < numberToFind) min = index + 1; else max = index - 1; } // numberToFind was not found System.out.println("Not Found"); }
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Software Development Engineer III

Interviewed at Amazon

3.5★
Jan 13, 2015

Amazon needs a simple service to create, read, update and delete customer addresses. 1. Write the interface for this service. What methods are needed? What parameters would each method require and what data would each method return? 2. Using the following assumptions, describe how you would design your system: You need to store 10 TB of addresses. Your service must support 10,000 transactions per second. Each of your databases can only handle 1TB of data. Each of your application servers can only handle 1,000 TPS Question 1: 1. What is the runtime complexity for the code below? 2. What is the space complexity for the code below? Queue<TreeNode> queue = new LinkedList<BinaryTree.TreeNode>() ; public void myMethod(TreeNode root) { if (root == null) return; queue.clear(); queue.add(root); while(!queue.isEmpty()){ TreeNode node = queue.remove(); if(node.left != null) queue.add(node.left); if(node.right != null) queue.add(node.right); Question 2: 1. What is the runtime complexity for the code below? // Precondition: array[] is sorted int search(int array[], int numberToFind, int min, int max) { while (max >= min) { int index = midpoint(min, max); if(array[index] == numberToFind) return index; else if (array[index] < numberToFind) min = index + 1; else max = index - 1; } // numberToFind was not found System.out.println("Not Found"); }

1. Concurrency java, OSI model, trees, B+ trees indexes, binary trees indentical, etc.. 2. Collections 3. Design a search system for a retail distributer similar to how Amazon product search works. Must discuss the salary beforehand, else you are wasting your time. They don't give hikes for years and if not ready to pay in the beginning , I would suggest to look out somewhere else. If money is not a concern, you can give a try to live with no salary.
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Software Engineer III

Interviewed at Oracle

3.5★
May 5, 2015

1. Concurrency java, OSI model, trees, B+ trees indexes, binary trees indentical, etc.. 2. Collections 3. Design a search system for a retail distributer similar to how Amazon product search works. Must discuss the salary beforehand, else you are wasting your time. They don't give hikes for years and if not ready to pay in the beginning , I would suggest to look out somewhere else. If money is not a concern, you can give a try to live with no salary.

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