Cody

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

Solution 2160936

Submitted on 15 Mar 2020 by Søren Holm-Petersen
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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))

xi = 1 1 yi = 1 2 tf = logical 1

2   Pass
xy = [1 1;3 1;2 2;2 3]; tf_correct = false; assert(isequal(allConvex(xy),tf_correct))

xi = 1 yi = 1 tf = logical 0

3   Pass
xy = [6 4;10 6;10 3;3 1;5 5]; tf_correct = false; assert(isequal(allConvex(xy),tf_correct))

xi = 3 yi = 1 tf = logical 0

4   Pass
xy = [8 4;3 7;4 10;9 10;9 6;5 4]; tf_correct = true; assert(isequal(allConvex(xy),tf_correct))

xi = 3 yi = 7 tf = logical 1

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))

xi = 2 2 yi = 15 7 tf = logical 0

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))

xi = 3 yi = 6 tf = logical 1

7   Pass
xy = [1 1;1 2;1 3;3 3;3 1]; tf_correct = true; assert(isequal(allConvex(xy),tf_correct))

xi = 1 1 1 yi = 1 2 3 tf = logical 1

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