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Non-continuous subsequences: Difference between revisions
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Note: Subsequences are defined ''structurally'', not by their contents.
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: ▼
;Example:
▲
::::* ''1,3''
::::* ''1,4''
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::::* ''1,2,4''
'''Goal''': There are different ways to calculate those subsequences. Demonstrate algorithm(s) that are natural for the language.▼
;Goal:
There are different ways to calculate those subsequences.
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{{Template:Strings}}
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=={{header|Ada}}==
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