added New Function

Author: mauricechouam

Best Time to Buy and Sell Stock III/code.js

@@ -14,6 +14,7 @@ var maxProfit = function (prices) {
         t2Cost = Math.min(t2Cost, prices[i] - t1Profit);
         t2Profit = Math.max(t2Profit, prices[i] - t2Cost);
     }
+    return t2Profit;
 
 
 }