Words - K Selection - 4
1. You are given a word (may have one character repeat more than once). 2. You are given an integer k. 3. You are required to generate and print all ways you can select k characters out of the word. Note -> Use the code snippet and follow the algorithm discussed in question video. The judge can't force you but the intention is to teach a concept. Play in spirit of the question.
0 < str.length() < 15 0 < k <= str.length()
Input is managed for you
Check the sample ouput and question video.
aab aac aad aae abb abc abd abe acc acd ace add ade bbb bbc bbd bbe bcc bcd bce bdd bde ccd cce cdd cde dde