FA-12720 / Auction allocation rules / Member archive

One bidder wins two mutually exclusive package offers · case 05

One bidder wins two mutually exclusive package offers.

Member previewVariant 5 · 3 implementations · 6 checks per implementation

Case contract

Process [bidder, item-list, value] offers by descending value, stable on ties. Accept only if its bidder has not won and none of its items are used. Return accepted original indices. This is a greedy policy, not optimal welfare.

Why this case matters

Deterministic teaching model for reviewing auction allocation software; not a representation of any venue or financial advice.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
disjoint same bidder	`[0, 1]`	`[0]`	Failed

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