Yes, you are right. Good catch.

On Tuesday, July 9, 2013 2:13:47 PM UTC-4, Sambhavna Singh wrote:
>
> Amazing solution Don, thank you :)  You missed a small check in the code: 
> if(t1[0] != t2[0]) return 0;
>
>
> On Tue, Jul 9, 2013 at 11:27 PM, Don <[email protected] <javascript:>>wrote:
>
>> The trees would be the same if
>> 1. The root is the same
>> 2. The left and right subtrees are both the same
>>
>> bool sameBstFormed(intVector t1, intVector t2)
>> {
>>    if (t1.size() != t2.size()) return false;       // Trees with 
>> different number of nodes can't be the same
>>    if (t1.size() == 0) return true;                // Two empty trees are 
>> equal
>>    if (t1.size() == 1) return t1[0] == t2[0];   // Single node trees
>>
>>    // Partition left and right subtrees
>>    intVector left1, right1, left2, right2;
>>    for(int i = 1; i < n1; ++i)
>>    {
>>       if (t1[i] < t1[0]) left1.add(t1[i]);
>>       else right1.add(t1[i]);
>>       if (t2[i] < t2[0]) left2.add(t2[i]);
>>       else right2.add(t2[i]);
>>    }
>>
>>    return sameBstFormed(left1, left2) && sameBstFormed(right1, right2);
>>
>> }
>>
>> On Thursday, June 6, 2013 1:57:49 AM UTC-4, Sambhavna Singh wrote:
>>>
>>> I came across this question on careercup: how do we go about finding 
>>> whether the BSTs formed by the given input order would be identical or not 
>>> without actually forming the tree? 
>>>
>>> Link: 
>>> http://www.careercup.**com/question?id=19016700<http://www.careercup.com/question?id=19016700>
>>>  
>>  -- 
>> You received this message because you are subscribed to the Google Groups 
>> "Algorithm Geeks" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to [email protected] <javascript:>.
>>  
>>  
>>
>
>

-- 
You received this message because you are subscribed to the Google Groups 
"Algorithm Geeks" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].


Reply via email to