Cody

Problem 53. Duplicates

Solution 2991268

Submitted on 25 Sep 2020 by Chris Winnard
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Test Suite

Test Status Code Input and Output
1   Pass
strs = {'aa','bb','aa','aa'}; correct = {'aa'}; result = duplicates(strs); assert(isempty(setdiff(result,correct)) & isempty(setdiff(correct,result)))

elms = 4 k = 1 element = 1×1 cell array {'aa'} element = 1×1 cell array {'bb'} element = 1×1 cell array {'aa'} element = 1×1 cell array {'aa'} dups = 1×6 cell array {'aa'} {'aa'} {'aa'} {'aa'} {'aa'} {'aa'}

2   Pass
strs = {'10','11','12'}; correct = {}; result = duplicates(strs); assert(isempty(setdiff(result,correct)) & isempty(setdiff(correct,result)))

elms = 3 k = 1 element = 1×1 cell array {'10'} element = 1×1 cell array {'11'} element = 1×1 cell array {'12'} dups = []

3   Pass
strs = {'zzz','zzz','zzz'}; correct = {'zzz'}; result = duplicates(strs); assert(isempty(setdiff(result,correct)) & isempty(setdiff(correct,result)))

elms = 3 k = 1 element = 1×1 cell array {'zzz'} element = 1×1 cell array {'zzz'} element = 1×1 cell array {'zzz'} dups = 1×6 cell array {'zzz'} {'zzz'} {'zzz'} {'zzz'} {'zzz'} {'zzz'}

4   Pass
strs = {'a','b','c','b','d','c'}; correct = {'b','c'}; result = duplicates(strs); assert(isempty(setdiff(result,correct)) & isempty(setdiff(correct,result)))

elms = 6 k = 1 element = 1×1 cell array {'a'} element = 1×1 cell array {'b'} element = 1×1 cell array {'c'} element = 1×1 cell array {'b'} element = 1×1 cell array {'d'} element = 1×1 cell array {'c'} dups = 1×4 cell array {'b'} {'c'} {'b'} {'c'}

5   Pass
strs = {}; correct = {}; result = duplicates(strs); assert(isempty(setdiff(result,correct)) & isempty(setdiff(correct,result)))

elms = 0 k = 1 dups = []

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