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Problem 815. Persistent Usage

This Challenge is to implement the Matlab Persistent variable capability.

Given a sequence of Calls to a function return the current input summed with the prior function call input.

On the first call return the current input.

Input: a (value)

Output: b where b=a+"previous a"

Example:

    Input  Sequence: 1 2 -3 3 5
    Output Sequence: 1 3 -1 0 8

Related Challenge is Global.

Solve

Solution Stats

38.71% Correct | 61.29% Incorrect
Last solution submitted on Jul 20, 2018

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basics persistent