Consider trees:

              1                              3
       2           3                                 2
                                              1
pre order traversal  is same still (1 , 2 ,3) even though ist tree doesn't
satisfy the criteria . So I don't think it can be determined.

On Wed, Jul 4, 2012 at 4:16 PM, Ashish Goel <[email protected]> wrote:

> Q4
>
>
> vector<String> prefix;
> prefix[0]=NULL;
> prefixCount =1;
> for (int i=0;i<n;i++)
>   for (int j=0;j<n;j++)
>     for (int k=0; k<prefixCount;k++)
>     {
>          if (visited[i][j]) continue;
>          visited[i][j] = true;
>          String s=prefix[k]+a[i][j];
>          if (isWord(s) { printWord(s); prefix[k]=s; continue;}
>          else if isPrefix(s) prefix[prefixCount++] = s;
>          else removePrefix(prefix[k], prefixCount);
>          prefix[prefixCount++] = String(a[i][j];
>      }
> Best Regards
> Ashish Goel
> "Think positive and find fuel in failure"
> +919985813081
> +919966006652
>
>
> On Wed, Jul 4, 2012 at 4:13 PM, Ashish Goel <[email protected]> wrote:
>
>> 1. inverted hasp map
>> 2. not clear
>> 3. VLR, how do you identify end of L and start of R, question incomplete
>> 4. One problem: consider
>>
>> .......
>> a b...
>> c d...
>> .......
>>
>> if ab is a prefix, can aba be another prefix, i would assume so. But if
>> that is true, i am not sure if this program will come to an end.
>> vector<String> prefix;
>> prefix[0]=NULL;
>> prefixCount =1;
>> for (int i=0;i<n;i++)
>>   for (int j=0;j<n;j++)
>>     for (int k=0; k<prefixCount;k++)
>>     {
>>          String s=prefix[k]+a[i][j];
>>          if (isWord(s) { printWord(s); prefix[k]=s; continue;}
>>          else if isPrefix(s) prefix[prefixCount++] = s;
>>          else removePrefix(prefix[k], prefixCount);
>>          prefix[prefixCount++] = String(a[i][j];
>>      }
>> Best Regards
>> Ashish Goel
>> "Think positive and find fuel in failure"
>> +919985813081
>> +919966006652
>>
>>
>>
>> On Wed, Jul 4, 2012 at 12:22 PM, Decipher <[email protected]> wrote:
>>
>>> Find the next higher number in set of permutations of a given number
>>
>>
>>
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-- 
Thanks & regards
Bhupendra

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