@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 <manishkapur.n...@gmail.com> 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 -- 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.