LeetCode 345

Reverse Vowels of a String

Write a function that takes a string as input
and reverse only the vowels of a string.

Example 1:
Given s = "hello", return "holle".

Example 2:
Given s = "leetcode", return "leotcede".

 /*************************************************************************
     > File Name: LeetCode345.c
     > Author: Juntaran
     > Mail: JuntaranMail@gmail.com
     > Created Time: Tue 10 May 2016 08:55:33 PM CST
  ************************************************************************/

 /*************************************************************************

     Reverse Vowels of a String

     Write a function that takes a string as input
     and reverse only the vowels of a string.

     Example 1:
     Given s = "hello", return "holle".

     Example 2:
     Given s = "leetcode", return "leotcede".

  ************************************************************************/

 #include <stdio.h>

 int isVowels( char s )
 {
     int flag = ;
     if( s=='a' || s=='e' || s=='i' || s=='o' || s=='u' || s=='A' || s=='E' || s=='I' || s=='O' || s=='U' )
     {
         flag = ;
     }
     return flag;
 }

 char* reverseVowels( char* s )
 {
     int left  = ;
     int right = strlen(s) - ;

     printf("%c %c\n", s[left], s[right]);
     char temp;

     while( left < right )
     {
         printf("%d %d\n", left, right);
         if( isVowels(s[left]) ==  )
         {
             if( isVowels(s[right]) ==  )
             {
                 temp = s[left];
                 s[left] = s[right];
                 s[right] = temp;

                 left ++;
                 right--;
                 printf("%s\n", s);
             }
             else
             {
                 right--;
             }
         }
         else
         {
             left ++;
         }
     }
     return s;
 }

 int main()
 {
     char* s = "leetcode";
     printf("%s\n", s);
     char* reverseS = reverseVowels(s);
     printf("%s\n", s);

     return ;
 }