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Non-continuous subsequences: Difference between revisions
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So a sequence ''a,b,c,d'' will always have the same subsequences and continuous subsequences, no matter which values are substituted; it may even be the same value.
'''Task''': Find all non-continuous subsequences for a given sequence.
Example: For the sequence ''1,2,3,4'', there are five non-continuous subsequences, namely:
::::* ''1,3''
::::* ''1,4''
::::* ''2,4''
::::* ''1,3,4''
::::* ''1,2,4''
'''Goal''': There are different ways to calculate those subsequences. Demonstrate algorithm(s) that are natural for the language.
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