Cody

# Problem 1456. Beads on a Necklace (Convex Hulls)

Solution 1837540

Submitted on 4 Jun 2019 by YIFEI ZHANG
• Size: 7
• This is the leading solution.
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### Test Suite

Test Status Code Input and Output
1   Pass
xy = [1 1;1 2;2 2;2 1]; tf_correct = true; assert(isequal(allConvex(xy),tf_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 allConvex (line 2) In ScoringEngineTestPoint1 (line 3) In solutionTest (line 3)]

2   Pass
xy = [1 1;3 1;2 2;2 3]; tf_correct = false; assert(isequal(allConvex(xy),tf_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 allConvex (line 2) In ScoringEngineTestPoint2 (line 3) In solutionTest (line 5)]

3   Pass
xy = [6 4;10 6;10 3;3 1;5 5]; tf_correct = false; assert(isequal(allConvex(xy),tf_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 allConvex (line 2) In ScoringEngineTestPoint3 (line 3) In solutionTest (line 7)]

4   Pass
xy = [8 4;3 7;4 10;9 10;9 6;5 4]; tf_correct = true; assert(isequal(allConvex(xy),tf_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 allConvex (line 2) In ScoringEngineTestPoint4 (line 3) In solutionTest (line 9)]

5   Pass
xy = [14 26;14 29;2 15;2 7;3 7;18 17;8 23;26 11]; tf_correct = false; assert(isequal(allConvex(xy),tf_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 allConvex (line 2) In ScoringEngineTestPoint5 (line 3) In solutionTest (line 11)]

6   Pass
xy = [18 11;9 8;4 10;12 30;25 17;30 23;26 26;3 6]; tf_correct = true; assert(isequal(allConvex(xy),tf_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 allConvex (line 2) In ScoringEngineTestPoint6 (line 3) In solutionTest (line 13)]

7   Pass
xy = [1 1;1 2;1 3;3 3;3 1]; tf_correct = true; assert(isequal(allConvex(xy),tf_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 allConvex (line 2) In ScoringEngineTestPoint7 (line 3) In solutionTest (line 15)]