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# Weekly Challenge

Solve the challenge, share your solution and summit the ranks of our Community!

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## Challenge #239: SEND + MORE = MONEY

Alteryx

A solution to last week's challenge can be found here

For this week's challenge, we will use Designer to solve/prove a classic verbal arithmetic problem. In this case, each letter in the equation "SEND + MORE = MONEY" will have a unique value between 0 and 9. Your job is to find the solution that makes the equation true.

22 - Nova

Fun challenge reminds me of the deciphering challenge.

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Keys

Workflow: to find keys

Finding:

Output:

Cheers and Happy Analyzing 🙂

11 - Bolide

Relationships are a lot like algebra...You look at your X and wonder Y.

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(edit 10/26 11:33 CT) video of solution overview:

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8 - Asteroid

Good one .

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11 - Bolide

There are certainly smarter ways of tackling this than this brute-force approach...

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Used Python to generate the permutations as I find it easier than having a nested macro here.

But there are more potential solutions (or I am misunderstanding something)

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Problem
2817 + 0368 = 03185
2819 + 0368 = 03187
3712 + 0467 = 04179
3719 + 0457 = 04176
3821 + 0468 = 04289
3829 + 0458 = 04287
5731 + 0647 = 06378
5732 + 0647 = 06379
5849 + 0638 = 06487
6415 + 0734 = 07149
6419 + 0724 = 07143
6524 + 0735 = 07259
6851 + 0738 = 07589
6853 + 0728 = 07581
7316 + 0823 = 08139
7429 + 0814 = 08243
7531 + 0825 = 08356
7534 + 0825 = 08359
7539 + 0815 = 08354
7643 + 0826 = 08469
7649 + 0816 = 08465
8324 + 0913 = 09237
8432 + 0914 = 09346
8542 + 0915 = 09457
9567 + 1085 = 10652

Edit: Ok, following the link in the description of the problem

`` the leading digit of a multi-digit number must not be zero``

Oh well...

16 - Nebula

I used a brute-force approach to make the workflow. But it takes too long time. It is not useful workflow.

I added only two conditions that are immediately turning out.

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Condition
1. "m" and "s" is not Zero
2. "m" equal One

It takes for 6 minutes 27 seconds.

Maybe I'll be back to make efficient workflow.

16 - Nebula

Real fun. Used a kind of "smart brute force" reducing the number of possible solutions step by step.

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9 - Comet
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I am not proud of this brute force solution at all! Looking forward to seeing more elegant solutions. Video solution here: https://www.youtube.com/watch?v=D1MkKk31kDE&list=PL18SpOXDj-KMUD4YwWC5vZaUsIa7drxNZ&index=43&t=9s

15 - Aurora

Tricky challenge!

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I spent a while trying to generate the permutations needed in Alteryx without appending 8 times, but in the end went with a python library that I remember @PhilipMannering using.
17 - Castor

Great challenge. I successfully reinvented the wheel.

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Workflow

Macro to create all combinations/reinvent wheel