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anonymous

  • 5 years ago

ps3a - I'm not understanding the countSubStringMatchRecursive part. What exactly are we trying to do here? Can someone explain the goal of this function in 'English'? :)

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  1. anonymous
    • 5 years ago
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    You want to do the exact same thing as "countSubStringMatch" but while using a recursive method, instead of an iterative method. A recursive function is defining a function by itself. Here's an example. f(x) = 5 + f(x-1) If we say that f(0) = 50, then f(x) = 5x + 50 Clear enough?

  2. anonymous
    • 5 years ago
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    could you put that example into some Python code? I get the concept but I'm not grasping how you would implement it. Thanks!

  3. anonymous
    • 5 years ago
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    def fib(x): if x==0 or x==1: return 1 else: return fib(x-1) + fib(x-2)

  4. anonymous
    • 5 years ago
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    You can google "Fibonacci" to get the concept

  5. anonymous
    • 5 years ago
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    great, thanks!

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