CareerCup

Here you go

string RemoveChar(string orig, char c)
	{
            StringBuffer sb = new StringBuffer();
	    for(int i=0; i<orig.Length; ++i)
		{
 			if(orig[i] == c)
                       {
                            if( (i >0 && orig[i-1] != c) &&
                                  (i<orig.Length-1 && orig[i+1] != c))
				{
                                   continue;
				}
                       }
                      sb.Append(orig[i]);
		}	
              return sb.ToString();
	}

class RemoveNonSimultaneous {
	public static void main(String[] args) {
		String str = "aabcdabagtdraafgdta";
		removeNonSimultaneous(str, 'a');
	}

	private static void removeNonSimultaneous(String str, char ch) {
		// TODO Auto-generated method stub
		char charArray[] = str.toCharArray();
		int counter = 0;

		for (int i = 0; i < charArray.length;) {
			if (charArray[i] == ch) {
				i++;
				if (i == charArray.length) {
					break;
				}
				if (charArray[i] != ch) {
					charArray[i - 1] = '\0';
					i++;
				} else {
					while (charArray[i] == ch)
						i++;
				}
			} else
				i++;
		}

		int j = 0;
		System.out.println(charArray.length);
		for (int i = 0; i < charArray.length; i++) {
			while (i != charArray.length && charArray[i] != '\0') {
				charArray[j++] = charArray[i++];
			}
		}
		charArray[j]='\0';

		String str1 = new String(charArray);
		System.out.println(str);
		System.out.println(str1 + " :index - " + j);

	}
}

void main()
{
char str[100] , ch;
int i=0,k,len;

printf("enter string ");
scanf("%s",&str);

while(str[i])
{
if(str[i]=='0')
{
i++;
if(str[i]!='0' )
{
k=i;
while(str[i])
{
str[i-1]=str[i];
i++;
}
str[i-1]='\0';
i=k-1;
}
else
i++;
}
i++;
}
printf("\n\n %s ",str);
}