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How to double the number of vowels in a given string using C?

+1 vote
322 views

double the number of vowels in a given string using c programming language
Ex:
Given String="Maven"
Output Required="Maaveen".

posted Mar 17, 2014 by Rahul Mehra

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1 Answer

0 votes

Try the following code (tested)

#include <stdio.h>
#include <string.h>

int check_vowel(char);

int main()
{
  char s[]="Maven", t[100];
  int i, j = 0;


  for(i = 0; s[i] != '\0'; i++) 
  {
    if(check_vowel(s[i]) == 0) 
    {       //not a vowel
      t[j] = s[i];
      j++;
    }
    else
    {
      t[j]= s[i];
      j++;
      t[j]= s[i];
      j++;
    }
  }

  t[j] = '\0';

  printf("String after repeating vowels: %s\n", t);

  return 0;
}


int check_vowel(char c)
{
  switch(c) {
    case 'a':
    case 'A':
    case 'e':
    case 'E':
    case 'i':
    case 'I':
    case 'o':
    case 'O':
    case 'u':
    case 'U':
      return 1;
    default:
      return 0;
  }
}
answer Mar 17, 2014 by Salil Agrawal
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