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Algorithm - Interview Questions and Answers for 'Deloitte' - 4 question(s) found - Order By Newest

 Q1. Write an algorithm / Java Program to show duplicates in an array of n elements?Algorithm2017-01-19 15:37:26

Ans. int duplicateArray[] = { 1, 2, 2, 3, 4, 5, 6, 8, 9}
Set unique = new HashSet();
for (int i = 0; i < duplicateArray.length; i) {
if (unique.contains(duplicateArray[i])) {
System.out.println(duplicateArray[i]);
} else {
unique.add(duplicateArray[i]);
}
}

Complexity O(n) = nHashSet contains and add has O(n) = 1

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   Like      Discuss      Correct / Improve     coding  code     Deloitte  Bosch


 Q2. What is a binary tree ?Algorithm2017-01-19 15:38:04

Ans. Binary tree is a tree in which each node has up to two children.Tree is a data structure composed of nodes.Each tree has a root node(not necessary in graph theory). The root node has zero or more child nodes.Each child node has zero or more child nodes, and so on.The tree cannot contain cycles.

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   Like      Discuss      Correct / Improve     binary tree     Deloitte


 Q3. Write an algorithm / java program for Heap Sort ?Algorithm2017-01-19 15:36:18

Ans. https://www.geeksforgeeks.org/heap-sort/

 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     sorting  heap sort     Deloitte        frequent


  Q4. Write code to sort an array.Algorithm2018-07-04 16:15:16

 This question was recently asked at 'Deloitte,Match,Ebates,Google,Zento,Zillow,UXP Systems,HCL Technologies,Infosys,IDEMIA,Optym,Groupon,Tata Consultancy (TCS),Arbeiten bei Zeus,Accenture'.This question is still unanswered. Can you please provide an answer.


 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     array  sorting     Deloitte  Match  Ebates  Google  Zento  Zillow  UXP Systems  HCL Technologies  Infosys  IDEMIA  Optym  Groupon  Tata Consultancy (TCS)  Arbeiten bei Zeus  Accenture      basic        frequent




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