Created
February 1, 2021 22:05
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Test
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TESTE_DATA = [ | |
["(a[0]+b[2c[6]]) {24 + 53}", true], | |
["f(e(d))", true], | |
["[()]{}([])", true], | |
["((b)", false], | |
["(c]", false], | |
["{(a[])", false], | |
["([)]", false], | |
[")(", false], | |
["", false], | |
] | |
#) ## ["(", "[", "[", "["] ==> [ -> ( | |
OPEN_SYMBOLS = ['(', '{', '['] | |
CLOSE_SYMBOLS = [')', '}', ']'] | |
def brackward_of(symbol) | |
OPEN_SYMBOLS[CLOSE_SYMBOLS.index(symbol)] | |
end | |
def brakets_closed?(text) | |
brakets = [] | |
text.split('').each do |char| | |
brakets << char if OPEN_SYMBOLS.include?(char) | |
if CLOSE_SYMBOLS.include?(char) | |
open_equivalent = brackward_of(char) | |
if brakets[brakets.length - 1] == open_equivalent | |
brakets.slice!(-1) | |
else | |
return false | |
end | |
end | |
end | |
return false if !brakets.empty? || text.empty? | |
true | |
end | |
TESTE_DATA.each do |test| | |
puts brakets_closed?(test[0]) == test[1] ? "CORRECT" : "FAIL" | |
end |
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