If you have an array of 9 numbers from 1-10. How would you find out which number is not included in the array and what is the big O of it?
Desenvolvedor Interview Questions
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Write a program to find the total number of ways an unlimited supply of {1,3,5} Rupee coins can be used to sum up a given number
converging maze 1) largest cycle 2) maximum input point 3) shortest meeting point between 2 nodes.
3 coding based on graphs
Core Java questions.
1. Lock and Unlock a node of the given tree, Structure of the tree: one root multiple childs (>2). problem: find solution for locking and unlocking the nodes logic with log(N) complexity. Lock(node): returns boolean we can lock the node if and only if ancestor nodes and descendant nodes are not locked. if they are locked then return false else return true Unlock(node): returns boolean if node is already locked then unlock it and return true else return false
Technical
Write an algo which will return all pairs of integers from a given list of integers that satisfy the following equations: x + y = z, where x,y,z are all present in the given list. Optimize it to run in constant time.
There was a two part question in Hackerrank with a medium difficulty level. The first part was a coding exercise and the second part was describing the complexities of the solution that was used.
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