Puzzle 5: Keep Those Queens Apart

[@gold9994]

I love the way he taught the concept first before turning into programs. It makes students able to understand the logic more

[@igboman2860]

I love this man. He literally changed my life

[@thisisashwani]

I really loved how you started with the very basics, with the 2D array data structure which makes so much sense at the first look, and then by the end, came up with a better way to represent the entire problem! :D

[@pnachtwey]

Bit sets are even more efficient. See my comment in the next video.

[@5up5up]

That was absolutely amazing!

[@gomagoma313]

40:59 lol

[@makok5825]

Finally i understand

[@rastislavsvoboda4363]

25:34 i and j why not r and c? ;-)

[@SahilRallySuperStar]

My daughter ( 5 years old) placed all 8 queens in a matter of 1 min. When I asked how she explained backtracking.

[@pierreollivier1]

at the age of 5 I was fingering my nose :( kudo to your daughter

[@vamsikrishnagannamaneni912]

Why on earth did u have 8 physical queens in the first place?

[@emulas9770]

First