if matrix [i][j]=0
then entire row n column should be set to zero with min tym n space
complexity.o(n) tym n o
(1) space
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if(matrix[i][j]==0){
for(int j=0;jn;j++)
matrix[i][j]=0;
}
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it will zero only row not column
On Fri, Sep 30, 2011 at 12:25 PM, Tamanna Afroze afroze...@gmail.comwrote:
if(matrix[i][j]==0){
for(int j=0;jn;j++)
matrix[i][j]=0;
}
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*find all the zeros in first iteration and store (size = array bool [2n])*
*and then make zero. *
*time = O(n^2)*
*space = O(n)*
*
*
*case 2:*
* if any zero whole matrix zero, (once we get a zero its row and column will
become zero which in turn lead to whole matrix being zero).
*
*
*regards
-
Already discussed
https://groups.google.com/group/algogeeks/browse_thread/thread/8a3e1a6665702f54/66bb2e804b43ae1d?hl=enlnk=gstq=MS+question+ankur#66bb2e804b43ae1d
.
On Fri, Sep 30, 2011 at 2:59 PM, sumit kumar pathak
sumitkp1...@gmail.comwrote:
*find all the zeros in first iteration and
provide me with o(1) space ...i need it vey urgent.can it be done...thnx
in advance.
On Fri, Sep 30, 2011 at 3:44 PM, rahul sharma rahul23111...@gmail.comwrote:
sorry n*m complex where n rows and m col
but correct for space pzl and it uses two xtras array row and col
On Fri, Sep 30,
i cant find xact soln on previous threadi have sol with n*n complexity
but used space,, i.e
scan whole matrix
if( matrix([i][j]==1)
{
row[i]=1;
col[j]=1;
}
scan agin
if(row[i]==1 ||| col[j]==1)
matrix[i][j]=0;
two n*n loops so takes n*n and uses space too plz give me opt. soln
On Fri,
sorry n*m complex where n rows and m col
but correct for space pzl and it uses two xtras array row and col
On Fri, Sep 30, 2011 at 3:42 PM, rahul sharma rahul23111...@gmail.comwrote:
i cant find xact soln on previous threadi have sol with n*n complexity
but used space,, i.e
scan whole
@Rahul
Scan the matrix and whenver u see a[i][j]=0 put a[i]]0]=0 and a[0][j]=0
Meaning to say that put that row or column as 0
Now,
Scan the first row and first column and whereever u see a 0 make that column
and row 0 respectively
Eg
1 1 1 1
0 1 0 1
1 1 1 0
Answer shud be
0 1 0 0
0 0 0 0
plz xplain result after first scaning
On Fri, Sep 30, 2011 at 5:05 PM, Ankur Garg ankurga...@gmail.com wrote:
@Rahul
Scan the matrix and whenver u see a[i][j]=0 put a[i]]0]=0 and a[0][j]=0
Meaning to say that put that row or column as 0
Now,
Scan the first row and first column and
i cnt get logic...xplain mre.thnx in advnce
On Fri, Sep 30, 2011 at 6:16 PM, rahul sharma rahul23111...@gmail.comwrote:
plz xplain result after first scaning
On Fri, Sep 30, 2011 at 5:05 PM, Ankur Garg ankurga...@gmail.com wrote:
@Rahul
Scan the matrix and whenver u see a[i][j]=0 put
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