Create 04 Reverse the vowels.cpp

Author: skjha1

Diff for: String/problem on string/04 Reverse the vowels.cpp

@@ -0,0 +1,29 @@
+#include<bits/stdc++.h>
+using namespace std;
+bool isVowel(char c)
+{
+    return (c=='a' || c=='A' || c=='e' ||
+            c=='E' || c=='i' || c=='I' ||
+            c=='o' || c=='O' || c=='u' ||
+            c=='U');
+}
+string reverseVowel(string str)
+{
+    int j=0;
+    string vowel;
+    for (int i=0; str[i]!='\0'; i++)
+        if (isVowel(str[i]))
+            vowel[j++] = str[i];
+    for (int i=0; str[i]!='\0'; i++)
+        if (isVowel(str[i]))
+            str[i] = vowel[--j] ;
+ 
+    return str;
+}
+int main()
+{
+    string str;
+    cin>>str;
+    cout << reverseVowel(str);
+    return 0;
+}