Cody

Problem 2653. Beauty of Parentheses

Solution 2217372

Submitted on 17 Apr 2020
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.
Solve This Problem View on Solution Map

Test Suite

Test Status Code Input and Output
1   Fail
str = '(()(()(()(()))))'; out = {'( )'; ' ()( ) '; ' ()( ) '; ' ()( ) '; ' () '} assert(isequal(braces(str),out))

out = 5×1 cell array {'( )'} {' ()( ) '} {' ()( ) '} {' ()( ) '} {' () '} str = '))))'

Index exceeds the number of array elements (1). Error in braces (line 61) if strcmp(str(1:2),"()"); Error in Test1 (line 9) assert(isequal(braces(str),out))
2   Fail
str = '()'; % trivial test out = {'()'}; assert(isequal(braces(str),out))

Index exceeds the number of array elements (2). Error in braces (line 7) if strcmp(str(1:3),"()("); Error in Test2 (line 5) assert(isequal(braces(str),out))
3   Fail
str = '((((()))))'; out = {'( )'; ' ( ) '; ' ( ) '; ' ( ) '; ' () '} assert(isequal(braces(str),out))

out = 5×1 cell array {'( )'} {' ( ) '} {' ( ) '} {' ( ) '} {' () '} str = '))))'

Index exceeds the number of array elements (1). Error in braces (line 61) if strcmp(str(1:2),"()"); Error in Test3 (line 9) assert(isequal(braces(str),out))
4   Fail
a = randi(10); str = ''; for i = 1:a str = [str '()']; end out = {str}; assert(isequal(braces(str),out))

str = ')()()()()()'

Index exceeds the number of array elements (0). Error in braces (line 61) if strcmp(str(1:2),"()"); Error in Test4 (line 7) assert(isequal(braces(str),out))
5   Fail
str = '()(((())))()'; out = {'()( )()'; ' ( ) '; ' ( ) '; ' () '} assert(isequal(braces(str),out))

out = 4×1 cell array {'()( )()'} {' ( ) '} {' ( ) '} {' () '} str = ')))()'

Index exceeds the number of array elements (0). Error in braces (line 61) if strcmp(str(1:2),"()"); Error in Test5 (line 8) assert(isequal(braces(str),out))
6   Fail
a = randi(10); str = ''; for i = 1:a str = ['(' str ')']; end out = {}; for i = 1:a s = [32*ones(1,i-1) '(' 32*ones(1,2*a-2*i) ')' 32*ones(1,i-1)]; out = [out; s]; end assert(isequal(braces(str),out))

str = ')))))))'

Index exceeds the number of array elements (1). Error in braces (line 61) if strcmp(str(1:2),"()"); Error in Test6 (line 14) assert(isequal(braces(str),out))

Suggested Problems

More from this Author44

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!