An instance of solving a subset of a set in Java
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Java
An instance of solving a subset of a set in Java
Method 1: we know the n-th power of the number of subsets 2
For example, subsets of a, B, C
* 000 0 {} *001 1 a *010 2 b *011 3 a,b (b,a) *100 4 c * 101 5 a,c (c,a) * 110 6 b,b) * 111 7 a,c
Using binary correspondence
Mode 2: induction
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