Backtracking Episode 2: N Queens

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- The Backtracking Series:
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Chinese Verison:

Thanks in advance. :D

Happy coding every day!
(I trimmed this video, as my network has some problems. So you will not see the submission details.)
  1. happygirlzt
  2. Algorithm
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Комментарии
Автор

Wow, this was on my nerves for last few hours, your explanation helped me to understand and walkthrough.. Thank you

karivepaku
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I like the way u debug the code...It has helped a lot ...Thanks

sandeepdawre
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How excellent you are! I come from Bilibili, I would like to hear you teach with english.

jllee
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Could you explain the directions we are checking with the isValid function. I know we need to check if there is a queen in each diagonal, row, or column but I do not see why we cannot check going from left to right in the first loop you seem to go from right to left

MrWolfgangWeiss
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First of all thank you for this video really appreciate it! I am confused when recursively we call function after choosing and unchoosing and calling function recursively again without the chosen position. In this problem we just call function recursively once while in other backtracking ones we call it after unchoose as well. Is it because of the iteration of going through each col ?

rsmahi