Leetcode 557 Solution

This article provides solution to leetcode question 557 (reverse-words-in-a-string-iii)

https://leetcode.com/problems/reverse-words-in-a-string-iii

Solution

class Solution { public: string reverseWords(string s) { int l = 0;
while (l < s.size()) { int r = l + 1;
while (s[r] != ' ' && r != s.size()) r++; int next = r + 1; r--;
while (l < r) swap(s[l++], s[r--]);
l = next; }
return s; } };