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126. Generate All Permutations of a String (Well-Ordered)

Objective: Write an algorithm to Print All the Well Ordered Permutations of a Given String.

What is a Well Ordered String: When all the alphabets in a string occur in increasing order irrespective of Lower Case or Upper case.

Example :

"Sample" - Not Well Ordered.

"Now" - Well Ordered. N<o<W.

Input: Interview
Output:e, e, I, i, n, r, t, v, w][e, e, i, I, n, r, t, v, w]

Approach:

Get the input string.
Find out all the permutations of a String.
Check if the permutation is well formed and add it to Set ( to remove duplicates)
Print Set at the end

Output:

Given String - Interview
[e, e, I, i, n, r, t, v, w]
[e, e, i, I, n, r, t, v, w]

Reference-

http://www.careercup.com/question?id=6206517812396032