15 lines
324 B
Text
15 lines
324 B
Text
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func balanced (str) {
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var depth = 0
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str.each { |c|
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if(c=='['){ ++depth }
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elsif(c==']'){ --depth < 0 && return false }
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}
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return !depth
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}
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for str [']','[','[[]','][]','[[]]','[[]]]][][]]','x[ y [ [] z ]][ 1 ][]abcd'] {
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printf("%sbalanced\t: %s\n", balanced(str) ? "" : "NOT ", str)
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}
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