Use the below function, that will return first repeated character of
string or null;
Note: blank space is also consider as character... you can add exception to
avoid such case....
char firstRepeatChar(char *str)
{
int arr[256] = {0};
for(int i = 0; str[i] != '\0'; i++)
{
arr[str[i]] +=1;
if(arr[str[i]] > 1)
{
return str[i];
}
}
return 0;
}
On Fri, Jun 8, 2012 at 2:38 PM, atul anand <atul.87fri...@gmail.com> wrote:
> howcome hashing will result in wrong output..??
>
> if(isHashed(str[i])
> {
> character found.
> break.
> }
> else
> hash(str[i]);
>
> On Fri, Jun 8, 2012 at 2:15 PM, himanshu kansal <
> himanshukansal...@gmail.com> wrote:
>
>> how can we find 1st repeating character in string???
>> e.g. if the string is "abba" it should return 'b' and not 'a'.....
>>
>> note: hashing will give the answer as 'a'....
>>
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