1.How to find the nearest parent of any two nodes in a given tree. Tree has mother and father nodes.
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What signal is sent by default in the unix kill command
Given unsorted sequence of billions of numbers that cannot all fit in memory at the same time, find the median of these values.
efficiently search for an input word in an unbounded dictionary.
I am playing a card game called 24. Cards ace to king are numbered 1 to 13. During a given round, I am provided four cards to play with from the shuffled pack. If the numbers from the four cards result in 24 then I win the round if I shout '24' first. How would you code a function for this?
The wiggle problem, given an array of integers arrange them such that alternate elements are large and small.(2,5,3,6,...)
Find some certain substrings in a array of strings.
Given a string A and B, find the smallest substring of A that contains all the characters from B. (implement solution in O(n), keep in mind chars in B can repeat)
Implement data structure "Map" storing pairs of integers (key, value) and define following member functions in O(1) runtime: void insert(key, value), void delete(key), int get(key), int getRandomKey().
Write a code to construct a tree. It should get a string and generate related tree.
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