Cody

# Problem 1323. Alternating sum

Solution 1543971

Submitted on 30 May 2018 by Osman
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### Test Suite

Test Status Code Input and Output
1   Pass
x=508; assert(isequal(altsum(x),508))

[Warning: repmat(A,M) or repmat(A,M,N) where M or N is an empty array will return an error in a future release. Replace empty array inputs with 1 instead.] [> In altsum (line 6) In ScoringEngineTestPoint1 (line 2) In solutionTest (line 3)]

2   Pass
x=[1692 591]; assert(isequal(altsum(x),1101))

[Warning: repmat(A,M) or repmat(A,M,N) where M or N is an empty array will return an error in a future release. Replace empty array inputs with 1 instead.] [> In altsum (line 6) In ScoringEngineTestPoint2 (line 2) In solutionTest (line 5)]

3   Pass
x=[-644 380 1009]; assert(isequal(altsum(x),-15))

[Warning: repmat(A,M) or repmat(A,M,N) where M or N is an empty array will return an error in a future release. Replace empty array inputs with 1 instead.] [> In altsum (line 6) In ScoringEngineTestPoint3 (line 2) In solutionTest (line 7)]

4   Pass
x=[-20 -48 0 -318]; assert(isequal(altsum(x),346))

[Warning: repmat(A,M) or repmat(A,M,N) where M or N is an empty array will return an error in a future release. Replace empty array inputs with 1 instead.] [> In altsum (line 6) In ScoringEngineTestPoint4 (line 2) In solutionTest (line 9)]

5   Pass
x=[1095 -1874 428 896 731 578 40]; assert(isequal(altsum(x),2694))

[Warning: repmat(A,M) or repmat(A,M,N) where M or N is an empty array will return an error in a future release. Replace empty array inputs with 1 instead.] [> In altsum (line 6) In ScoringEngineTestPoint5 (line 2) In solutionTest (line 11)]