Arrange Consonants and Vowels

class Solution
{
    public:
    struct Node* arrangeCV(Node *head)
    {
       queue<char>v,c;
       Node* T=head;
       while(T)
       {
           char ch=T->data;  T=T->next;
           if(ch!='a' and ch!='e' and ch!='i' and ch!='o' and ch!='u')
           {
               c.push(ch);
           }
           else
           v.push(ch);
       }
       T=head;
       while(T)
       {
           if(v.size()){
           T->data=v.front();v.pop();}
           else{
             T->data=c.front();c.pop();}
             T=T->next;
       }
       return head;
       
    }
};