Challenge #88: Counting Combinations

[jessle]

Took me a few minutes to figure out the question (d'oh).

[atcodedog05]

On a spree to binge complete weekly challenges

Spoiler

This is my solution

[TomProwse]

Solution

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[JonathanAllenby]

Here's my solution.

[DebbieHale]

Here's my workflow, lots of fun 🙂 Thanks!

[ydmuley]

Transpose tool to the rescue. I tried to use as few tools as possible.

Some people have solved the exact same method.

The solving thrill continues!!!!!!!!!!!!!!!!

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[ReconBen]

Spoiler

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[Ben_Jeffreys]

My submission

[deepaprash]

To make it interesting find how many combos were purchased by two or more people. 🙂

[Jean-Balteryx]

Here is my solution !