Zillious Interview Experience | Set 2 (On-Campus)

Recently Zillious visited our campus and take three rounds for final selection.
Written Round :
25 MCQ’s based on C & C++ output, OS, CN (40 min.)
2 Coding questions- ( On Paper – 1.5 hr)
1. You are given an array A of N integers. You are to fulfill M queries. Each query  has one of the following three types:
 C p : Rotate the array A clockwise by p units.
 A p : Rotate the array A anticlockwise by p units.
 R p : Query for the value of the element, currently being the p-th in the array A.
 The first line contains two numbers – N and M respectively.
 The next line contains N space separated Integers, denoting the array A.
 Each of the following M lines contains a query in the one of the forms described  above.
 For each query of type R output the answer on a separate line.
 5 5
 5 4 3 3 9
 R 1
 C 4
 R 5
 A 3
 R 2
2. Find the longest substring which is palindrome.
First F2F (Technical):
1. Find next greater number with same set of digits
2. Minimum Number of Platforms Required for a Railway Station.
    Given arrival and departure times of all trains that reach a railway station, find         the minimum number of platforms required for the railway station so that no           train waits.
3. Puzzle : Taking Seats on a Plane
    Imagine there are a 100 people in line to board a plane that seats 100. The first     person in line realizes he lost his boarding pass so when he boards he decides       to take a random seat instead. Every person that boards the plane after him will     either take their “proper” seat, or if that seat is taken, a random seat instead.
    What is the probability that the last person that boards will end up in his/her           proper seat.
4. Puzzle : 12 balls 3 weighing
Second F2F (Technical):
1.  Imagine you have a special keyboard with the following keys:
  where CTRL+A, CTRL+C, CTRL+V each acts as one function key for “Select         All”, “Copy”, and “Paste” operations respectively.
  If you can only press the keyboard for N times (with the above four keys), write a   program to produce maximum numbers of A and also print out the sequence of     keys.
2. Given an input string and a dictionary of words, find out if the input string can be    segmented into a space-separated sequence of dictionary words.
   Consider the following dictionary
   { i, like, sam, sung, samsung, mobile, ice,
   cream, icecream, man, go, mango}
  Input:  ilike
  Output: Yes
  The string can be segmented as “i like”.
  Input:  ilikesamsung
  Output: Yes
  The string can be segmented as “i like samsung” or “i like sam sung”.
Thank You GeeksforGeeks. 🙂

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