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Interview Experience 117 (Intern)

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Chetan Garg edited this page Jul 23, 2018 · 1 revision

2018

Software Developer Intern

1st Round - mins Online coding round: Two questions were given and hackerrank's platform was used. One easy question and one tough question.

2nd Round - The first question I was asked if I was given a chemical compound formula then how to find number of occurrence of all atoms. For example : Input -> Mg2SO4 Output -> Mg = 2, S = 1,O = 4 The other question I was asked to check if 2 there is a intersection point between 2 linked list or not.

Many questions of oops were asked, for eg: polymorphism and its types, virtual function, virtual destructors, abstract classes.

3rd Round -

  • Merge two sorted array without using extra space.
  • Find the largest number formed from an array.
  • Majority element in an array.
  • Find the elements in an array which occurs more than N/4 times if array has N elements.
  • They showed me some c++ code( of inheritance, copy constructor etc) and asked me what will be the output.

Oops is very important along with data structures and algorithm.

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