Implement a method to determine whether a string is a palindrome.
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Find Kth minimum node in a binary tree and suggest a complexity
Given an array of integers, find the sub array with the largest sum. (must be done in linear time)
Given two events, each with a start and end time, implement a boolean check to see if they overlap.
Optimize the algorithm suggested above
In an array you have all the numbers from 1 through n (not in order) with one number missing. Find that number. Now, you have two numbers missing. Find both the numbers. Notes: O(n) time solution, O(1) extra space. n may be very large, so beware of overflows!
How to delete a node in a singly linked list without access to the list header.
Do you need sponsorship for this position?
how to swap big endian and little endian?
If 4 ants start on four sides of a square at the same time in either direction... whats the probability that they wont collide?
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