[Java] Leetcode 37. Sudoku Solver [Backtracking #8]

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In this video, I'm going to show you how to solve Leetcode 37. Sudoku Solver which is related to Backtracking.

Here’s a quick rundown of what you’re about to learn:
⭐️ Course Contents ⭐️
⌨️ (0:00) Question
⌨️ (1:58) Solution Explain
⌨️ (10:28) Code

In the end, you’ll have a really good understanding on how to solve Leetcode 37. Sudoku Solver and questions that are similar to this Backtracking.

Now, if you want to get good at Backtracking, please checkout my Backtracking playlist.

  1. Eric Programming
  2. leetcode Sudoku Solver
  3. leetcode 37
  4. leetcode 37 Sudoku Solver
  5. 37 Sudoku Solver
  6. eric programming leetcode 37
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Комментарии
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I just started watching but kudos for actually explaining the back tracking logic, other videos don't make that effort.

kreender
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most readable code so far i have seen for sudoku solver

shahaalap
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Hello Eric, Thank you so much for all the videos on your channel. I'm so grateful for your lessons.
I can't believe I actually understand every line in 2 watches. This is a really great tutorial -Thanks again man!

somhua
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I haven't seen better explanation! Thank you!

blabberq
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1) I believe Brute-Force is the only way to solve this puzzle, no DP at all.
2) Time complexity = O(N^m) ... N = 9 & m = empty cells
3) Space complexity = O(1) .. since we aren't taking any extra cells

If this is asked in interview and the candidate is seeing this question for the first time, he/she will waste sometime thinking about a DP formula which does not exist and finally fallback to brute-force with little time left to write the code. Identifying whether a problem has only-brute-force and no other technique is a skill that a candidate must develop for cracking interviews.

dataman
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Very good explenation. I like the drawing tool you used:). Would you mind share what tool extension you draw on web page? Thanks

onlineservicecom
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What is the name of the application used for drawing? Thanks, great video.

ErkaSain