@Manish:
for( i = 1 ; i < n ; ++i )
for( j = 1 ; j < m ; ++j )
if( a[i][j] != 0 )
a[i][0] = a[0][j] = 1;
for( i = 1 ; i < n ; ++i )
for( j = 1 ; j < m ; ++j )
if( a[i][0] + a[0][j] != 0 )
a[i][j] = 1;
Dave
On Aug 31, 8:40 am, manish kapur <[email protected]> wrote:
> Input is a matrix of size n x m of 0s and 1s.
>
> eg:
> 1 0 0 1
> 0 0 1 0
> 0 0 0 0
>
> If a location has 1; make all the elements of that row and column = 1. eg
>
> 1 1 1 1
> 1 1 1 1
> 1 0 1 1
>
> Solution should be with Time complexity = O(n*m) and O(1) extra space
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