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557. Reverse Words In A String III

Two Pointers String

Problem - Reverse Words In A String III

Easy

Given a string s, reverse the order of characters in each word within a sentence while still preserving whitespace and initial word order.

 

Example 1:

Input: s = "Let's take LeetCode contest"
Output: "s'teL ekat edoCteeL tsetnoc"

Example 2:

Input: s = "Mr Ding"
Output: "rM gniD"

 

Constraints:

  • 1 <= s.length <= 5 * 104
  • s contains printable ASCII characters.
  • s does not contain any leading or trailing spaces.
  • There is at least one word in s.
  • All the words in s are separated by a single space.

Solutions

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class Solution:
    def reverseWords(self, s: str) -> str:
        val = s.split()
        result = []
        for word in val:
            result.append(word[::-1])

        return " ".join(result)

        # return " ".join(word[::-1] for word in s.split())

Submission Stats:

  • Runtime: 0 ms (100.00%)
  • Memory: 18.4 MB (75.99%)