Update README.md

Author: leetlab11

README.md

@@ -2,7 +2,7 @@
 <h1> Checkout my other repositories for more LeetCode Lists and problem solutions</h1>
 
 <h2>Easy: 89</h2>
-<h2>Medium: 77</h2>
+<h2>Medium: 78</h2>
 <h2>Hard: 26</h2>
-<h2>Total: 192</h2>
+<h2>Total: 193</h2>