FA-95104 / Warehouse slotting and bin packing / Member archive

Reserve allocation: partial pick from newest pallet · case 04

The remainder is picked from the newest pallet, ageing older stock.

Member previewVariant 4 · 3 implementations · 8 checks per implementation

Case contract

pallets [[license_plate, received_day, qty]]; need units. Order pallets by received_day then plate. Pass 1 takes whole pallets (qty > 0) whose qty fits the remaining need, oldest first, skipping ones that are too large. Pass 2 takes partial quantity from remaining pallets oldest first. Return [[[plate, qty] in pick order], shortfall].

Why this case matters

Reserve allocation decides which pallets feed replenishment and order picks.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
generated mix 22	`[[["P2", 10]], 0]`	`[[["P1", 10]], 0]`	Failed

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