Create reverse-words-in-a-string-iii.cpp

Author: kamyu104

C++/reverse-words-in-a-string-iii.cpp

@@ -0,0 +1,15 @@
+// Time:  O(n)
+// Space: O(1)
+
+class Solution {
+public:
+    string reverseWords(string s) {
+        for (int i = 0, j = 0; j <= s.length(); ++j) {
+            if (j == s.length() || s[j] == ' ') {
+                reverse(s.begin() + i, s.begin() + j);
+                i = j + 1;
+            }
+        }
+        return s;
+    }
+};