In this lecture a pattern problem is suggested at last
for N = 5
ooooo
oxxxo
oxoxo
oxxxo
ooooo
after lot’s of mehnat 
I did this please tell me how can I optimize the code.
- I am handling odd and even cases separately
- have several special cases in my logic
- still failing at handling n=1( that is a special case too for me
)
Thanks,
)