1. Given an array that contains duplicates (except for one value), find the one value that does not have a duplicate in that array. Explain the complexity of your algorithm. So in the array: A = [2, 3, 4, 5, 2, 3, 4] your algorithm should return 5 since that's the value that does not have a duplicate. 2. Explain the process that happens when you type your username and hit submit on a website (HTTP, server/client communication, etc...)
Last interviews question for which I got 10 mins was a tricky one. He wanted me to implement Google's "Did you mean" logic.
Given an array of pairs of numbers, simplify the numbers. The pairs represent ranges, and the result is a simplified version of these pairs. So [1,5],[3,7] should result in [1,7].
Interview question like that Q: 01 Given: 11. public static void parse(String str) { 12. try { 13. float f = Float.parseFloat(str); 14. } catch (NumberFormatException nfe) { 15. f = 0; 16. } finally { 17. System.out.println(f); 18. } 19. } 20. public static void main(String[] args) { 21. parse("invalid"); 22. } What is the result? A. 0.0 B. Compilation fails. C. A ParseException is thrown by the parse method at runtime. D. A NumberFormatException is thrown by the parse method at runtime. Answer: B
More of logical questions.
Write a function called eval, which takes a string and returns a boolean. This string is allowed 6 different characters: 0, 1, &, |, (, and ). Eval should evaluate the string as a boolean expression, where 0 is false, 1 is true, & is an and, and | is an or. An example string might look like "(0 | (1 | 0)) & (1 & ((1 | 0) & 0))"
Given a list of people's names, organize a beer exchange such that each person is randomly assigned someone else to give a beer to, and someone to receive a beer from. Caveat: The person cannot receive a beer from the same person to whom they are gifting one.
draw a reversed T pattern which would generate on dynamic series by giving odd input * * * * * @ @ @ @ Second Question is : * * * * * *
Try-catch block, handle class, matrix indexing in MATLAB. Declaring private methods in Python. A lot of importance was given to behavioral questions.
What is the output of below program. var a = [1,2,3,4] for (var i=0; i<a.length; i++){ setTimeout(function(){ console.log(i) },1000) } ( My Ans : it will print 4 5 times as it will store the latest reference) Next They asked me : How can i print 1,2,3,4 by changing some code in above example
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