Cody

# Problem 53. Duplicates

Solution 1788418

Submitted on 15 Apr 2019 by Paul Smits
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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)))

i = 1×4 logical array 1 1 1 1 IA = 1 2 i = 1×4 logical array 0 0 1 1 dups = 1×1 cell array {'aa'}

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

i = 1×3 logical array 1 1 1 IA = 1 2 3 i = 1×3 logical array 0 0 0 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)))

i = 1×3 logical array 1 1 1 IA = 1 i = 1×3 logical array 0 1 1 dups = 1×1 cell array {'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)))

i = 1×6 logical array 1 1 1 1 1 1 IA = 1 2 3 5 i = 1×6 logical array 0 0 0 1 0 1 dups = 1×2 cell array {'b'} {'c'}

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

i = 1×0 empty logical array IA = 0×1 empty double column vector i = 1×0 empty logical array dups = 1×0 empty cell array