Exercises 1-5 for recursion tracing #27
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sudocrystal
reviewed
Apr 13, 2017
| - Recursive Case | ||
| A problem that can be divided into smaller problems |
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Hmm... this is true. But not the definition of recursion. Recursion is specifically when a method calls itself, directly or indirectly.
| - Tail Recursion | ||
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| the return value of any given recursive step is the same as the return value of the next recursive call |
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This is a great answer! We didn't cover it in class though - so good googling :) I wonder though, does the answer make sense to you? I've been debating covering this in class - just not sure if there's time.
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| - What is mystery2(123)? | |||
| mystery2(123) = (3) + mystery2(12) = 5 | |||
| m2(12) = 1 + m2(1) = 2 | |||
| m2(1) = 1 | |||
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:) The logic is correct. but m2(12) should be 2 + m2(1) which changes the rest of the recursion math.
| - _Added Fun: How could we make only alphabetic characters to be changed to stars?_ | ||
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| ### Trace #6 | ||
| ### Trace #6 #Will come back to this one =) |
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Or not... which is totally fine too :) 5/6 were just added challenges.
Recursion TracingLooks good |
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Recursion Tracing
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Comprehension Questions