フリー問題

問題文

What determines whether a hash based set treats two entries as duplicates?

選択肢

1. The membership test ultimately comes from field order, and the bucket choice comes from hashed codes in that table.
2. The membership test ultimately comes from field order, and the bucket choice comes from creation order in that table.
3. The membership test ultimately comes from stated equality, and the bucket choice comes from creation order in that table.
4. The membership test ultimately comes from stated equality, and the bucket choice comes from hashed codes in that table.