What is the use of the NULL character in characters array?
What is the difference between a begin() and an rbegin() iterator in std::string?
How do you implement rbegin() and rend() in std::string?
What is the difference between an anagram and a palindrome?
What is the use of a binary string?
What is a subsequence of string?
What is the use of a bit counter variable when generating subsequences from a string?
How many times is outer iteration performed in the pattern searching algorithm?
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