Cody

# Problem 2177. Rainbow matrix

Solution 1683318

Submitted on 29 Nov 2018 by HH
• Size: 9
• This is the leading solution.
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### Test Suite

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

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In rainbow (line 2) In ScoringEngineTestPoint1 (line 3) In solutionTest (line 3)] ans = 1

2   Pass
x = 3; y_correct = [1 2 3; 2 3 2; 3 2 1]; assert(isequal(rainbow(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In rainbow (line 2) In ScoringEngineTestPoint2 (line 3) In solutionTest (line 5)] ans = 1

3   Pass
x = 5; y_correct = [1 2 3 4 5; 2 3 4 5 4; 3 4 5 4 3; 4 5 4 3 2; 5 4 3 2 1]; assert(isequal(rainbow(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In rainbow (line 2) In ScoringEngineTestPoint3 (line 3) In solutionTest (line 7)] ans = 1

4   Pass
x = 7; y_correct = [... 1 2 3 4 5 6 7; 2 3 4 5 6 7 6; 3 4 5 6 7 6 5; 4 5 6 7 6 5 4; 5 6 7 6 5 4 3; 6 7 6 5 4 3 2; 7 6 5 4 3 2 1]; assert(isequal(rainbow(x),y_correct))

[Warning: Function assert has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In unix (line 32) In rainbow (line 2) In ScoringEngineTestPoint4 (line 10) In solutionTest (line 9)] ans = 1