Cody

# Problem 53. Duplicates

Solution 1346830

Submitted on 16 Nov 2017 by David Verrelli
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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)))

u = 1×2 cell array {'aa'} {'bb'} els = 1 3 4 dups = 1×3 cell array {'bb'} {'aa'} {'aa'} els = 1 dups = 1×2 cell array {'aa'} {'aa'}

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

u = 1×3 cell array {'10'} {'11'} {'12'} els = 1 dups = 1×2 cell array {'11'} {'12'} els = 1 dups = 1×1 cell array {'12'} els = 1 dups = 1×0 empty cell array

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

u = 1×1 cell array {'zzz'} els = 1 2 3 dups = 1×2 cell array {'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)))

u = 1×4 cell array {'a'} {'b'} {'c'} {'d'} els = 1 dups = 1×5 cell array {'b'} {'c'} {'b'} {'d'} {'c'} els = 1 3 dups = 1×4 cell array {'c'} {'b'} {'d'} {'c'} els = 1 4 dups = 1×3 cell array {'b'} {'d'} {'c'} els = 2 dups = 1×2 cell array {'b'} {'c'}

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

u = 0×1 empty cell array