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Solution 255719

Submitted on 6 Jun 2013

Incorrect

18Size
Leading solution size is 11.
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test
Code Input and Output
1
Pass
 
%% positive integers
x = 5;
assert(isequal(unique(rand_plusminus1(x)),[-1;1]))

                    
2
Fail
 
%% one element
x = 1;
assert(isequal(abs(rand_plusminus1(x)),1))
Error: Assertion failed.
3
Fail
 
%% zero => empty matrix
x = 0;
assert(isequal(rand_plusminus1(x),[]))
Error: Assertion failed.
4
Pass
 
%% positive integers
x = 999;
assert(isequal(unique(rand_plusminus1(x)),[-1;1]))