Reverse Left Words

include/offer_58.hpp

@@ -0,0 +1,14 @@
+#ifndef OFFER_58_HPP
+#define OFFER_58_HPP
+
+#include <string>
+
+using namespace std;
+
+class Solution {
+ public:
+  string reverseLeftWords(string s, int n);
+  void reverseSubStr(string &s, int begin, int end);
+};
+
+#endif

include/s0151_reverse_words_in_a_string.hpp

@@ -7,6 +7,7 @@ using namespace std;
 
 class Solution {
  public:
+  void reverseSubStr(string &s, int begin, int end);
   string reverseWords(string s);
 };