Difference between process and thread What is NUMA What is the difference between polling and interrupt. Which one would you prefer More questions on work experience Questions related to system performance
Senior Member Technical Staff Interview Questions
623 senior member technical staff interview questions shared by candidates
General Computer programming, esp Data Structures / Algorithm . Design level questions.
Coding and design questions
coding round - two questions - 1.5 hours time - hacker rank 1) find the pair of indexes in an array whose values sum equal given number - duplicate pairs not allowed 2) Special key board contains special keys problem ...something like special keys are "A", "Ctrl+A", "Ctrl+C", "Ctr+V", Input is number of keystrokes-Need to find how many "A"'s could appear on the screen using these special keys Technical Round -1 1) Given a singly linked list , given input n, -- Need to reverse every n nodes in the linked list -- in other words (Reverse a Linked List in groups of given size) 2) Check wheter given tree is symmetric or not 3) Give any data structure of complexity o(1) 4) Celebrity with millions of followers - updates some page, how does it reach ..technology behind it. Round 2: 1) Reverse sub strings of given String Eg: "My name is Salesforce" output : "Salesforce is name My" 2) An array contains some integers, Need to find the index at which sum of left indexes equal to sum of right indexes Eg { 1, 2, 5, 1,2,6} --> index is 3( sum is 8 to left and right } 3) Least common ancestor 4) Design chat application
Telephonic Interview : Given a string S, check if the letters can be rearranged so that two characters that are adjacent to each other are not the same. If possible, output any possible result. If not possible, return the empty string. Example 1: Input: S = "aab" Output: "aba" Example 2: Input: S = "aaab" Output: "" Note: S will consist of lowercase letters and have length in range [1, 500].
Describe the top 3 factors that are important to you in a company
1. Please describe your previous experience? 2. Why Salesforce? 3. Basics about Java, C++ 4. Leetcode medium-level questions 5. System design
Design LRU Cache
Write a program to maintain a soda-machine. Right from penny insertion until purchase log including menu options.
Your registered users are increasing exponentially. How will you handle it. This was a question on scalability ten years back when clouds were only associated with rains
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