Modify lc345

lc/lc345ReverseVowelsofaString.go

@@ -16,22 +16,20 @@ func reverseVowels(inputString string) string {
 
 	// looping until the left pointer is less than the right pointer
 	for leftPointer < rightPointer {
-		// finding the index of the first vowel from the left
-		for leftPointer < rightPointer && !isVowel(runes[leftPointer]) {
+		if leftPointer < rightPointer && !isVowel(runes[leftPointer]) {
+			// finding the index of the first vowel from the left
 			leftPointer += 1
-		}
-		// finding the index of the first vowel from the right
-		for rightPointer > leftPointer && !isVowel(runes[rightPointer]) {
+		} else if rightPointer > leftPointer && !isVowel(runes[rightPointer]) {
+			// finding the index of the first vowel from the right
 			rightPointer -= 1
-		}
-
-		// swapping the vowels
-		runes[leftPointer], runes[rightPointer] = runes[rightPointer], runes[leftPointer]
+		} else {
+			// swapping the vowels
+			runes[leftPointer], runes[rightPointer] = runes[rightPointer], runes[leftPointer]
 
-		// moving the pointers inward
-		leftPointer += 1
-		rightPointer -= 1
+			// moving the pointers inward
+			leftPointer += 1
+			rightPointer -= 1
+		}
 	}
-	// converting the slice of runes back to a string
-	return string(runes)
+	return string(runes) // converting the slice of runes back to a string
 }

py/345. Reverse Vowels of a String.py

@@ -2,17 +2,17 @@ class Solution:
     def reverseVowels(self, s: str) -> str:
         lst = list(s)
         n = len(s)
-        vowels = list("aeiouAEIOU")
+        vowels = "aeiouAEIOU"
         l, r = 0, n - 1
         while l < r:
-            while l < r and lst[l] not in vowels:
+            if l < r and lst[l] not in vowels:
+                l += 1
+            elif r > l and lst[r] not in vowels:
+                r -= 1
+            else:
+                lst[l], lst[r] = lst[r], lst[l]  # swapping the vowels
                 l += 1
-            while r > l and lst[r] not in vowels:
                 r -= 1
-            lst[l], lst[r] = lst[r], lst[l]  # swapping the vowels
-
-            l += 1
-            r -= 1
         return "".join(lst)