TSC EB2->EB3 PP成功的给个建议吧,准备第三次试了# EB23 - 劳工卡
a*2
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given a set of distinct integers {a1, a2, a3, a4, a5, ...}
and a set of exclusion rules: R = {{a1, a3}, {a2, a4, a10}, ...}
can you print out all the valid subsets?
Example:
what is a valid subset? {a1, a4}
what is an invalid subset? {a1, a2, a4}
and a set of exclusion rules: R = {{a1, a3}, {a2, a4, a10}, ...}
can you print out all the valid subsets?
Example:
what is a valid subset? {a1, a4}
what is an invalid subset? {a1, a2, a4}