Challenge #81: Multi-Level Bill of Materials Problem

[gawa]

There should exist smarter solution

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[tristank]

These challenges haunt me but after an hour or so I figured it out using the iterative macro. Victory is oh so sweet

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[Sebastian_Chaieb2]

I am not proud from that solution so I will have to back to it in the future and develop something nicer :) 

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[lwolfie]

That took a minute to get the last bit worked out.

[danielprince]

My solution