Cody

# Problem 1323. Alternating sum

Solution 2727933

Submitted on 22 Jul 2020
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### Test Suite

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

Index exceeds the number of array elements (1). Error in altsum (line 8) y=y+a*x(k); Error in Test1 (line 2) assert(isequal(altsum(x),508))

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

Index exceeds the number of array elements (2). Error in altsum (line 8) y=y+a*x(k); Error in Test2 (line 2) assert(isequal(altsum(x),1101))

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

Assertion failed.

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

Assertion failed.

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

Index exceeds the number of array elements (7). Error in altsum (line 8) y=y+a*x(k); Error in Test5 (line 2) assert(isequal(altsum(x),2694))