On Wed, Jul 13, 2011 at 10:18 PM, ravindra patel
<ravindra.it...@gmail.com>wrote:
> @Bittu, Vaibhav
> Can you please illustrate your algo for below arrays.
>
> Array1 - {1, 3, 5, 7}
> Array2 - {0,0,0,2,0,4,6,8}
>
Assuming valid array elements are non zero positive numbers and 0 denotes
empty slot in array.
>
> Thanks,
> - Ravindra
>
>
>
> On Wed, Jul 13, 2011 at 9:47 PM, vaibhav shukla
> <vaibhav200...@gmail.com>wrote:
>
>> start from the end of both the arrays... and try simple merge process not
>> from the start but from where the last element is... and keep inserting the
>> greater element at the end of the larger array.
>>
>>
>> On Wed, Jul 13, 2011 at 8:41 PM, bittu <shashank7andr...@gmail.com>wrote:
>>
>>> @dumanshu check it
>>>
>>> Algo is simply start putting elemnt in bigger array by comparing then
>>> from last logic is same as merge part of merg sort :)
>>>
>>> void merge(int[] a, int[] b, int n, int m)
>>> {
>>> int k = m + n - 1; // Index of last location of array b
>>> int i = n - 1; // Index of last element in array b
>>> int j = m - 1; // Index of last element in array a
>>>
>>> // Start comparing from the last element and merge a and b
>>> while (i >= 0 && j >= 0)
>>> {
>>> if (a[i] > b[j])
>>> {
>>> a[k--] = a[i--];
>>> }
>>> else
>>> {
>>> a[k--] = b[j--];
>>> }
>>> }
>>>
>>> while (j >= 0)
>>> {
>>> a[k--] = b[j--];
>>> }
>>>
>>> //no need to do for a array as its alraedy filled in B array :)
>>>
>>> }
>>> Time O(N)
>>>
>>> Thanks
>>> Shashank Mani Narayan
>>> Computer Science & Engg.
>>> Birla Institute of Technlogy Mesra
>>>
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>>
>>
>> --
>> best wishes!!
>> Vaibhav Shukla
>> DU-MCA
>>
>>
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