Algorithm Interview Questions

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“Given a string, remove all the duplicate characters (not necessarily consecutive)”

“Describe a routine which returns the set of integers in {1..100} divisible without remainder by 3 but not by 9.”

“Convert a binary search tree to a sorted, circular, doubly-linked list, in place (using the tree nodes as the new list nodes).”

“Find the second largest element in a Binary Search Tree”

“Implement the "see and tell" algorithm with a given seed number x and a number of iterations y. Output the result on iteration y”

“There are n pots with different # gold coins in them. Two players play a game, where each player can select a pot at either ends. maximize the gold”

“If you have a file containing millions of integers, how would you sort the data in the file using extremely limited resources, such a s 1GB of memory?”

“Given a list of integers, some of which may be negative, extract the pair that sums to the largest number.”

“How would you find the pairs of numbers that added to some specific number in an array.”

“You are given an integer N and an integer M. You are supposed to write a method void findBestCoinsThatMinimizeAverage(int N, int M) that prints the best collection of N coins that minimize the...”

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