ya...hashing is rt method but, we have to implement it by using self
referential structure ........
i think ..stilll we can solve this problem by using arrays....like
int arr[256]={0};
int main()
{
char str[]="abba";
.
.
for(i=0;str[i]!=NULL;i++)
{
if(arr[(str[i]-'0')]==1)
{
printf("first repeated is%c",str[i]);
break;
}
else
arr[(str[i]-'0')]==1;
}
}
On Fri, Jun 8, 2012 at 7:15 AM, himanshu kansal <himanshukansal...@gmail.com
> wrote:
> @all: my bad...i ws confused while posting the ques.....
> hashing can gv either a or b....only thing tht matters is hw u implement
> hashing and counting....
> thanx i hv got the soln....
>
>
> On Fri, Jun 8, 2012 at 4:33 PM, Saurabh Yadav <saurabh...@gmail.com>wrote:
>
>> order of hashing and counting is important
>> eg. "abba"
>> if we do hashing by characters 'a' is stored before 'b'
>> and count of both is 2 at the end and when we process this we give result
>> 'a' (because 'a' comes before 'b' )which is wrong
>> because 'b' is the first repeated character.
>>
>>
>> Thanks & Regards
>> Saurabh
>>
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>
>
>
> --
>
> Regards
> Himanshu Kansal
> Msc Comp. sc.
> (University of Delhi)
>
>
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