Round 1: Machine Coding
Q. In a regular expression, * represents 0 or more repetitions for preceding character. & represents the regex preceeding it is at the end of string. and all small case letters represent themselves. For example:
Pass: bigrat, smallrat
Fail: ratoulite rats
Pass: b, ab, aab
Fail a, asd
Pass: abc, abcd zabcd
Fail: abdc, dabfc
Write a code for it.
Round 2: discussion and test case analysis of code
What if . represents 1 character, how will you handle it. Handle .* in a regex.
Thorough analysis of the code with his internal test cases.
Round 3: Face to face
1. test case on the code I wrote.
2. If any element is occurring n/2 times in a n sized array, how will you find it.
Method 1: sort it, pick n/2 element and traverse array once to make sure that the middle element is present greater than n/2 times.
Method 2: Use Map, pseudo code:
if (map.find(i) == map.end())
with geeks for geeks it may seem easy but a thorough analysis is needed. Including pseudo-code. I did the thing after adding an extra variable in node DS.
Round 4: Senior Manager Round
1. Why flipkart
2. Job description, very specific about current role
3. Reader-writer problem code, without semaphore. I used two variables, asked me to minimize variable usage.
4. Given a text file, store all the words using a tree. I gave a trie solution.
5. What is the most challenging project you have done in your lifetime and why.
PS: If thorough knowledge about approaches are not prepared then its better to get screwed. They will ask every case possible.
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