Merge pull request neetcode-gh#889 from Vitali-Matteo/patch-3

Create 1641-Count-Sorted-Vowel-Strings.cpp

Author: Ahmad-A0

python/1641-Count-Sorted-Vowel-Strings.cpp

@@ -0,0 +1,23 @@
+class Solution{    
+    public:            
+        int countVowelStrings(int n){            
+            int An, En, In, On, Un;            
+            int An1, En1, On1, In1, Un1;            
+            int i;            
+            An1 = En1 = In1 = On1 = Un1 = 1;            
+            i = 1;            
+            while(i < n){                
+                An = An1 + En1 + On1 + In1 + Un1;                
+                En = En1 + On1 + In1 + Un1;                
+                In = In1 + On1 + Un1;                
+                On = On1 + Un1;                
+                Un = Un1;                
+                An1 = An;                
+                En1 = En;                
+                On1 = On;                
+                In1 = In;                
+                i++;                
+            }            
+            return An1 + En1 + In1 + On1 + Un1;
+        }     
+};