SDE - 2

You have been given an array/list of strings 'STR_LIST'. You are supposed to return the strings as groups of anagrams such that strings belonging to a particular group are anagrams of one another.

Note :

An Anagram is a word or phrase formed by rearranging the letters of a different word or phrase. We can generalize this in string processing by saying that an anagram of a string is another string with the same quantity of each character in it, in any order.

Example:

{ “abc”, “ged”, “dge”, “bac” } 
In the above example the array should be divided into 2 groups. The first group consists of { “abc”, “bac” } and the second group consists of { “ged”, “dge” }.

You are given a string “S”. Your task is to rearrange the characters of a string “S”, such that it does not contain any two adjacent characters which are the same.

If it is possible to rearrange the string “S”, then print any possible arrangement. else, print “not possible” without quotes.

For Example:

For a string  “qaacde”, This string has two same adjacent characters.
So, one possible way to rearrange the string is “qacade”. Now, this string does not have two adjacent characters that are the same. 

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