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Problem 583. Implement a counter

Created by David Hruska

Write a function that returns a function that counts the number of times it is invoked. Example:

>> h = counter;
>> h()
ans =
     1
>> h()
ans =
     2
>> h()
ans =
     3

Note: your solution cannot use persistent variables.

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46 correct solutions 129 incorrect solutions
Last solution submitted on Aug 08, 2014

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