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Challenge #200: Sudoku Solver

nini
8 - Asteroid

My solutions for Beginner and Intermediate:

Greg_Murray
12 - Quasar

Solution attached

danilang
19 - Altair
19 - Altair

Beginner and Intermediate.  Now if only I could solve them in my head, like Lord Vetinari.

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Dan

dombaikamilla
8 - Asteroid
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Blake
12 - Quasar

All set on the advanced solution. I put my iterative macro/data cleansing in a standard macro to keep the canvas clean. Fun challenge! 

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Iterative macro gutsIterative macro guts


salima
5 - Atom

Beginner Level,

 

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carlosteixeira
15 - Aurora
15 - Aurora

Here my solution Beginner and Intermediate.

 

Beginner

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Intermediate

 

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Carlos A Teixeira
JORGE4900
8 - Asteroid

I completed the beginner solution yesterday; here is the intermediate one today. Fun challenge. The basic idea is to add 45 on all rows and columns; this would ensure that the numbers 1-9 are only being used once per box.

 

First generate the possible solutions by row or record ID; then find the unique number not already used on other solutions and plug it in.

 

By the way, I was blown away with the macros and R snippets solving the advanced one; I always enjoy looking at your workflows.

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JustinBabbitt
Alteryx
Alteryx

Beginner and Intermediate solutions attached

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Macro: 
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Justin Babbitt
sonyakasenkramer
8 - Asteroid

I built a solver for the advanced challenge, and used it for the intermediate. But more importantly: I built a working macro!! 

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