How do you write an algorithm to count all subsets of strings in a string.
Antworten zu Vorstellungsgespräch
Anonym
8. Nov. 2015
int count(string &s)
{
return pow(2,s.size());
}
Anonym
9. März 2017
Both answers above are incorrect, as there can be repeats.
1
Anonym
14. Juli 2017
So, what's the answer if all previous answers were wrong?
Anonym
18. Juli 2017
sort the character array for the string then employ the algorithm to find all subsets without duplicates (backtracking algorithm) but don't actually store the result strings just count the number of them.