Cody

# Problem 19. Swap the first and last columns

Solution 1912320

Submitted on 26 Aug 2019
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### Test Suite

Test Status Code Input and Output
1   Fail
A = [ 12 4 7 5 1 4]; B_correct = [ 7 4 12 4 1 5 ]; assert(isequal(swap_ends(A),B_correct))

Error using unique (line 117) Invalid input. Valid flags are 'rows', 'first', 'last', 'stable', 'sorted', 'legacy'. Error in swap_ends (line 2) B = A(:, unique(end, 2:end-1, 1)); Error in Test1 (line 5) assert(isequal(swap_ends(A),B_correct))

2   Fail
A = [ 12 7 5 4]; B_correct = [ 7 12 4 5 ]; assert(isequal(swap_ends(A),B_correct))

Error using unique (line 117) Invalid input. Valid flags are 'rows', 'first', 'last', 'stable', 'sorted', 'legacy'. Error in swap_ends (line 2) B = A(:, unique(end, 2:end-1, 1)); Error in Test2 (line 5) assert(isequal(swap_ends(A),B_correct))

3   Fail
A = [ 1 5 0 2 3 ]; B_correct = [ 3 5 0 2 1 ]; assert(isequal(swap_ends(A),B_correct))

Error using unique (line 117) Invalid input. Valid flags are 'rows', 'first', 'last', 'stable', 'sorted', 'legacy'. Error in swap_ends (line 2) B = A(:, unique(end, 2:end-1, 1)); Error in Test3 (line 3) assert(isequal(swap_ends(A),B_correct))

4   Fail
A = 1; B_correct = 1; assert(isequal(swap_ends(A),B_correct))

Error using unique (line 117) Invalid input. Valid flags are 'rows', 'first', 'last', 'stable', 'sorted', 'legacy'. Error in swap_ends (line 2) B = A(:, unique(end, 2:end-1, 1)); Error in Test4 (line 3) assert(isequal(swap_ends(A),B_correct))

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