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Sorting and Searching
==
- Sorting search results on a page given a certain set of criteria.
- Sort a list of numbers in which each number is at a distance `K` from its actual position.
- Given an array of integers, sort the array so that all odd indexes are greater than the even indexes.
- Given users with locations in a list and a logged-in user with locations, find their travel buddies (people who shared more than half of your locations).
- Search for an element in a sorted and rotated array.
- [Source](http://blog.gainlo.co/index.php/2017/01/12/rotated-array-binary-search/)
- Sort a list where each element is no more than k positions away from its sorted position.
- If you have `N` revisions of a program, write a program that will find and return the first bad revision given a `isBad(revision i)` function.
- Search for an item in a sorted, but rotated, array.
- Merge two sorted lists together.
- Given a list of numbers and a function that returns Low, Medium, or High, sort the list by Lows, then Mediums, then Highs.
- Give 3 distinct algorithms to find the K largest values in a list of N items.
- Find the minimum element in a sorted rotated array in faster than O(n) time.
- Write a function that takes a number as input and outputs the biggest number with the same set of digits.
- [Source](http://blog.gainlo.co/index.php/2017/01/20/arrange-given-numbers-to-form-the-biggest-number-possible/)