Solution: Reverse Words in a String
Explore how to reverse the word order in a sentence by applying the two pointers technique. Learn to handle multiple spaces, remove extra spaces, and efficiently swap words in a mutable list to return a cleaned, reversed sentence.
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Statement
You are given a string sentence that may contain leading or trailing spaces, as well as multiple spaces between words. Your task is to reverse the order of the words in the sentence without changing the order of characters within each word. Return the resulting modified sentence as a single string with words separated by a single space, and no leading or trailing spaces.
Note: A word is defined as a continuous sequence of non-space characters. Multiple words separated by single spaces form a valid English sentence. Therefore, ensure there is only a single space between any two words in the returned string, with no leading, trailing, or extra spaces.
Constraints: ...