Given a string, return true if after jumbling/rearranging the characters of the string will it be a palindrome. and false if not. eg: given string "evlel", it can be rearranged to "level" and thus it is a palindrome, and return true. eg: 1234 cannot be rearranged to become a palindrome hence false.
Find the max k elements in an unsorted array.
Given two strings, find if they differ by exactly two letters.
Write a function to tell if three points are colinear.
Write a piece of code to find the square root of a number.
Design a stack that has an O(1) max() method.
explain basic OOP concepts.
Flip a bit in a uint32 using C.
You have an array of numbers. For example: [-5, 1, 7, -3, 4] Find the pair with the greatest product.In the example above, it would be 28(7x4).
There are many conference room at Amazon, your manager want you to book a conference room for a meeting. The number of people and time is given. Please return a list of rooms which are available at that time and have enough capacity.
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