22 lines
404 B
Text
22 lines
404 B
Text
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[ char [ over of
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swap
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char ] swap of
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join shuffle ] is bracket$ ( n --> $ )
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[ 0 swap witheach
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[ char [ =
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iff 1 else -1 +
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dup 0 < if
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conclude ]
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0 = ] is balanced ( $ --> b )
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10 times
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[ 20 i 2 * - times sp
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i bracket$ dup echo$
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say " is "
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balanced not if
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[ say "un" ]
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say "balanced."
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cr ]
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