FA-94969 / Warehouse slotting and bin packing / Member archive

Carton selection: cheapest instead of smallest · case 04

A cheaper but bulkier carton is chosen, increasing dimensional weight charges.

Member previewVariant 4 · 3 implementations · 8 checks per implementation

Case contract

Item dims [a,b,c], weight kg, sioc flag (ships in own container). cartons [[id, L, W, H, max_kg, cost]]. SIOC items return "SIOC". Otherwise add 1 unit of dunnage per side (2 per dimension); the item fits a carton if the sorted padded dims are each <= the sorted inner dims (any orientation) and kg <= max_kg. Choose the smallest inner volume, then cost, then id. None -> "NO_FIT".

Why this case matters

Cartonization picks the shipping box, which drives material cost and dimensional weight.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
generated mix 20	`"C4"`	`"C2"`	Failed

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