row0 and col0 initilayy true coz we have 0 in 0 row???or these r default
values?
On Tue, Oct 4, 2011 at 8:07 AM, Ashish Goel <ashg...@gmail.com> wrote:
> 1 1 0 1
> 0 1 1 1
> 1 1 1 1
> 1 1 1 0
>
> row0 is true
> col0 is true
>
> for (int i=1; i<n;i++)
> for (int j=1;j<m;j++)
> if (a[i][j] == 0) {a[i][0]=0; a[0][j]=0;}
>
> now after this
> 1 1 0 0
> 0 1 1 1
> 1 1 1 1
> 0 1 1 0
>
> for (int i=1; i<n;i++)
> if (a[i][0] ==0) for (int j=1; j<m;j++) a[i][j]=0;
> for (int j=1; i<m;j++)
> if (a[0][j] ==0) for (int i=1; i<n;i++) a[i][j]=0;
>
> after this
> 1 1 0 0
> 0 0 0 0
> 1 1 0 0
> 0 0 0 0
>
>
> because of row0 and col0 vars
>
>
> final output is
> 0 0 0 0
> 0 0 0 0
> 0 1 0 0
> 0 0 0 0
>
> Best Regards
> Ashish Goel
> "Think positive and find fuel in failure"
> +919985813081
> +919966006652
>
>
> On Tue, Oct 4, 2011 at 7:49 AM, rahul sharma <rahul23111...@gmail.com>wrote:
>
>> @ashish can u give an xample.....plz...i have read a lot archives ...but
>> cant find in 0(1) space....u using 2 var only...plz give xample...nended
>> urgent.thnx
>>
>>
>> On Tue, Oct 4, 2011 at 7:26 AM, Ashish Goel <ashg...@gmail.com> wrote:
>>
>>> keep two var row0 and col0 for checking if there is any 0 in row0flag
>>> /col0flag
>>>
>>> now walk over elements from 1,1 to n,m and set corresponding entry in 0th
>>> row /column if you hit a zero.
>>>
>>> now walk over zeroth column and rwo and set the complete row/col if a 0
>>> is there in 0th row/col.
>>>
>>> after this based on row0flag/col0flag, set oth col/row values to 0.
>>>
>>> Best Regards
>>> Ashish Goel
>>> "Think positive and find fuel in failure"
>>> +919985813081
>>> +919966006652
>>>
>>>
>>>
>>> On Mon, Oct 3, 2011 at 12:08 PM, rahul sharma
>>> <rahul23111...@gmail.com>wrote:
>>>
>>>> yeah it is wrong......i have a solution but uses 0(n+m) space.....i need
>>>> it in 0(n*m) tymand o(1) space
>>>>
>>>>
>>>> On Mon, Oct 3, 2011 at 11:55 AM, shady <sinv...@gmail.com> wrote:
>>>>
>>>>> search archives :-/
>>>>>
>>>>>
>>>>> On Mon, Oct 3, 2011 at 11:47 AM, pranav agrawal <
>>>>> pranav.is.cool.agra...@gmail.com> wrote:
>>>>>
>>>>>> @rahul sharma, i ran this code, it is producing wrong answer :|
>>>>>>
>>>>>> check it, http://codepad.org/THv1hJq1
>>>>>>
>>>>>> anyone with correct solution?
>>>>>>
>>>>>> --
>>>>>> You received this message because you are subscribed to the Google
>>>>>> Groups "Algorithm Geeks" group.
>>>>>> To view this discussion on the web visit
>>>>>> https://groups.google.com/d/msg/algogeeks/-/26XU3UBqZ6EJ.
>>>>>>
>>>>>> To post to this group, send email to algogeeks@googlegroups.com.
>>>>>> To unsubscribe from this group, send email to
>>>>>> algogeeks+unsubscr...@googlegroups.com.
>>>>>> For more options, visit this group at
>>>>>> http://groups.google.com/group/algogeeks?hl=en.
>>>>>>
>>>>>
>>>>> --
>>>>> You received this message because you are subscribed to the Google
>>>>> Groups "Algorithm Geeks" group.
>>>>> To post to this group, send email to algogeeks@googlegroups.com.
>>>>> To unsubscribe from this group, send email to
>>>>> algogeeks+unsubscr...@googlegroups.com.
>>>>> For more options, visit this group at
>>>>> http://groups.google.com/group/algogeeks?hl=en.
>>>>>
>>>>
>>>> --
>>>> You received this message because you are subscribed to the Google
>>>> Groups "Algorithm Geeks" group.
>>>> To post to this group, send email to algogeeks@googlegroups.com.
>>>> To unsubscribe from this group, send email to
>>>> algogeeks+unsubscr...@googlegroups.com.
>>>> For more options, visit this group at
>>>> http://groups.google.com/group/algogeeks?hl=en.
>>>>
>>>
>>> --
>>> You received this message because you are subscribed to the Google Groups
>>> "Algorithm Geeks" group.
>>> To post to this group, send email to algogeeks@googlegroups.com.
>>> To unsubscribe from this group, send email to
>>> algogeeks+unsubscr...@googlegroups.com.
>>> For more options, visit this group at
>>> http://groups.google.com/group/algogeeks?hl=en.
>>>
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "Algorithm Geeks" group.
>> To post to this group, send email to algogeeks@googlegroups.com.
>> To unsubscribe from this group, send email to
>> algogeeks+unsubscr...@googlegroups.com.
>> For more options, visit this group at
>> http://groups.google.com/group/algogeeks?hl=en.
>>
>
> --
> You received this message because you are subscribed to the Google Groups
> "Algorithm Geeks" group.
> To post to this group, send email to algogeeks@googlegroups.com.
> To unsubscribe from this group, send email to
> algogeeks+unsubscr...@googlegroups.com.
> For more options, visit this group at
> http://groups.google.com/group/algogeeks?hl=en.
>
--
You received this message because you are subscribed to the Google Groups
"Algorithm Geeks" group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
