Leetcode 186 Solution

This article provides solution to leetcode question 186 (reverse-words-in-a-string-ii)
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https://leetcode.com/problems/reverse-words-in-a-string-ii

Solution

class Solution {
public:
    void reverseWords(string &s) {
        int i = 0;

        while (true)
        {
            auto end = s.find_first_of(' ', i);

            if (end == string::npos)
            {
                reverse(&s[i], &s[s.size()]);
                break;
            }
            else
            {
                reverse(&s[i], &s[end]);
                i = end + 1;
            }
        }

        reverse(s.begin(), s.end());
    }
};