Cody

# Problem 44345. MATLAB Counter

Solution 3362283

Submitted on 24 Oct 2020
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### Test Suite

Test Status Code Input and Output
1   Pass
assessFunctionAbsence({'regexp','regexpi','regexprep','str2num'},'FileName','counter.m')

2   Fail
f = counter(0,1); assert(isequal(f(),0)) assert(isequal(f(),1)) assert(isequal(2,f())) assert(isequal(3,f()))

[Warning: The value of local variables may have been changed to match the globals. Future versions of MATLAB will require that you declare a variable to be global before you use that variable.] [> In counter (line 2) In ScoringEngineTestPoint2 (line 1) In solutionTest (line 5)] [Warning: The value of local variables may have been changed to match the globals. Future versions of MATLAB will require that you declare a variable to be global before you use that variable.] [> In counter (line 3) In ScoringEngineTestPoint2 (line 1) In solutionTest (line 5)]

Assertion failed.

3   Pass
f = counter(1,0); assert(isequal(f(),1)) assert(isequal(f(),1)) assert(isequal(1,f())) assert(isequal(1,f()))

[Warning: The value of local variables may have been changed to match the globals. Future versions of MATLAB will require that you declare a variable to be global before you use that variable.] [> In counter (line 2) In ScoringEngineTestPoint3 (line 1) In solutionTest (line 7)] [Warning: The value of local variables may have been changed to match the globals. Future versions of MATLAB will require that you declare a variable to be global before you use that variable.] [> In counter (line 3) In ScoringEngineTestPoint3 (line 1) In solutionTest (line 7)]

4   Fail
f = counter(10,2); assert(isequal(f(),10)) assert(isequal(f(),12)) assert(isequal(14,f())) assert(isequal(16,f()))

[Warning: The value of local variables may have been changed to match the globals. Future versions of MATLAB will require that you declare a variable to be global before you use that variable.] [> In counter (line 2) In ScoringEngineTestPoint4 (line 1) In solutionTest (line 9)] [Warning: The value of local variables may have been changed to match the globals. Future versions of MATLAB will require that you declare a variable to be global before you use that variable.] [> In counter (line 3) In ScoringEngineTestPoint4 (line 1) In solutionTest (line 9)]

Assertion failed.

5   Fail
f = counter(0,5); y_correct = [0, 5, 10, 15, 20, 55]; assert(isequal([f() f() f() f() f() f()+f()],y_correct))

[Warning: The value of local variables may have been changed to match the globals. Future versions of MATLAB will require that you declare a variable to be global before you use that variable.] [> In counter (line 2) In ScoringEngineTestPoint5 (line 1) In solutionTest (line 11)] [Warning: The value of local variables may have been changed to match the globals. Future versions of MATLAB will require that you declare a variable to be global before you use that variable.] [> In counter (line 3) In ScoringEngineTestPoint5 (line 1) In solutionTest (line 11)]

Assertion failed.

6   Fail
x0 = randi(10); b = randi(10); f = counter(x0,b); y_correct = x0 + (0:1000)*b; assert(isequal(arrayfun(@(n)f(),0:1000),y_correct))

[Warning: The value of local variables may have been changed to match the globals. Future versions of MATLAB will require that you declare a variable to be global before you use that variable.] [> In counter (line 2) In ScoringEngineTestPoint6 (line 3) In solutionTest (line 13)] [Warning: The value of local variables may have been changed to match the globals. Future versions of MATLAB will require that you declare a variable to be global before you use that variable.] [> In counter (line 3) In ScoringEngineTestPoint6 (line 3) In solutionTest (line 13)]

Assertion failed.

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