Problem 53. Duplicates

Solution 714622

Submitted on 13 Aug 2015 by Ian Riley

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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))) a = 'aa' 'bb' b = 1 2 c = 1 2 1 1 a = 'aa' b = 1 c = 1 1 dups = 'aa'
2	Pass	%% strs = {'10','11','12'}; correct = {}; result = duplicates(strs); assert(isempty(setdiff(result,correct)) & isempty(setdiff(correct,result))) a = '10' '11' '12' b = 1 2 3 c = 1 2 3 a = Empty cell array: 1-by-0 b = Empty matrix: 0-by-1 c = Empty matrix: 0-by-1 dups = Empty cell array: 1-by-0
3	Pass	%% strs = {'zzz','zzz','zzz'}; correct = {'zzz'}; result = duplicates(strs); assert(isempty(setdiff(result,correct)) & isempty(setdiff(correct,result))) a = 'zzz' b = 1 c = 1 1 1 a = 'zzz' b = 1 c = 1 1 dups = '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))) a = 'a' 'b' 'c' 'd' b = 1 2 3 5 c = 1 2 3 2 4 3 a = 'b' 'c' b = 1 2 c = 1 2 dups = 'b' 'c'
5	Pass	%% strs = {}; correct = {}; result = duplicates(strs); assert(isempty(setdiff(result,correct)) & isempty(setdiff(correct,result))) a = Empty cell array: 0-by-1 b = Empty matrix: 0-by-1 c = Empty matrix: 0-by-1 a = Empty cell array: 0-by-1 b = Empty matrix: 0-by-1 c = Empty matrix: 0-by-1 dups = Empty cell array: 0-by-1