Problem 42705. Is It a Snake?

Solution 802036

Submitted on 7 Jan 2016 by Guillaume

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Test	Status	Code Input and Output
1	Pass	%% a = [ 2 1 3 4 ] tf_correct = false; assert(isequal(isItSnaky(a),tf_correct)) a = 2 1 3 4
2	Pass	%% a = [ 6 1 2 5 4 3 ] tf_correct = true; assert(isequal(isItSnaky(a),tf_correct)) a = 6 1 2 5 4 3
3	Pass	%% a = [ 1 2 3 4 ] tf_correct = false; assert(isequal(isItSnaky(a),tf_correct)) a = 1 2 3 4
4	Pass	%% a = [ 7 8 9 10 6 1 2 11 5 4 3 12 16 15 14 13 ] tf_correct = true; assert(isequal(isItSnaky(a),tf_correct)) a = 7 8 9 10 6 1 2 11 5 4 3 12 16 15 14 13
5	Pass	%% a = [ 1 2 3 2 1 ] tf_correct = false; assert(isequal(isItSnaky(a),tf_correct)) a = 1 2 3 2 1
6	Pass	%% a = [ 6 5 4 3 ] tf_correct = false; assert(isequal(isItSnaky(a),tf_correct)) a = 6 5 4 3
7	Pass	%% a = [ 1 2 3 4 5 6 7 8 9 ] tf_correct = false; assert(isequal(isItSnaky(a),tf_correct)) a = 1 2 3 4 5 6 7 8 9
8	Pass	%% a = [ 2 1 1 1 ]; tf_correct = false; assert(isequal(isItSnaky(a),tf_correct))