Python related: generators, dictionary comprehensions, questions regarding the collections module One of the brainteasers that I got: You have 10 fair coins, flip them each. Prove, that the probability of getting odd number of heads equals the probability of getting even number of heads.
Giving a string with number from 1-250 in random order, but miss 1 number. How to find the missed number.
Divide without the / operator.
Determine if two number are neighbors in grey code sequence.
Not hard at all.
Practice questions on Trees, Linked Lists, Arrays.
Finding a path in a maze which is represented by a grid of characters.
In a collection of strings, output the string that occurs most often.
There was no unexpected or difficult Question. 1. Find the first non repetitive character in a character stream. 2. Check for prime number and Elevator system design. 3. Agent bidding system design 4. Find for subtree within a larger tree.
Debugging questions will be of 7 questions for 21 minutes. Ex: An array will be sorted in descending you need to change the code to sort it in ascending.
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