Guys, why don't we do something like this :
1. If (arrayHasBeenTraversed, Goto 4).
Else, Traverse the 2-D array [row,column] wise. Inspect element
array[row][column]. Goto 2.
2. If you encounter a '1' (array[row][column]),
change all the 0's in the corresponding [row,column] to '-1'
Also, don't do anything if you encounter a '1'.
3. Goto 1.
4. Scan the array, change all '-1s' to 1s. Finish.
Send your comment.
Cheers,
Amit
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