sorry it was incomplete
On Fri, Nov 11, 2011 at 2:53 AM, UTKARSH SRIVASTAV
<usrivastav...@gmail.com>wrote:
one = zero = 0;
two = n-1; //n is length of string
while(two>=one)
{
switch(a[one])
{
case '0' : swap(a[zero],z[one]);
one++;zero++;break;
case '1' : one++;
break;
case '2' : two--;
swap(a[one],a[two]);
}
}
>
> On Mon, Oct 24, 2011 at 9:50 PM, praveen raj <praveen0...@gmail.com>wrote:
>
>> This can be done in O(n)..
>>
>> first shift all the 2's to the right side in O(n)...
>>
>> then again shift 1to the right shift b efore 2's......... in O(n)...
>>
>>
>> With regards,
>>
>> Praveen Raj
>> DCE-IT 3rd yr
>> 9999735993
>> praveen0...@gmail.com
>>
>>
>>
>>
>> On Mon, Sep 26, 2011 at 6:23 PM, Naren s <sweetna...@gmail.com> wrote:
>>
>>> dutch national flag problem..search in wiki...classical.
>>>
>>> On Sat, Sep 24, 2011 at 9:39 AM, VIHARRI <viharri....@gmail.com> wrote:
>>>
>>>> You are given a string (consisting of 0's, 1's or 2's) where 0
>>>> represents a blue ball, 1 a
>>>> red ball, and 2 a black ball. Using only swap operations (counting
>>>> sort not allowed)
>>>> rearrange the string such that all blue balls are together on one
>>>> side, followed by all red
>>>> balls, and then all black balls. You can iterate through the string
>>>> only once.
>>>> Eg 102112011 should produce 001111122
>>>>
>>>> --
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>>>>
>>>
>>>
>>> --
>>> *Narayanan S,*
>>> B.E., C.S.E., (final year),
>>> College Of Engineering Guindy,
>>> Anna University,
>>> Chennai-25.
>>>
>>>
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>>
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>
>
>
> --
> *UTKARSH SRIVASTAV
> CSE-3
> B-Tech 3rd Year
> @MNNIT ALLAHABAD*
>
>
>
--
*UTKARSH SRIVASTAV
CSE-3
B-Tech 3rd Year
@MNNIT ALLAHABAD*
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