RosettaCodeData/Task/Balanced-brackets/Amazing-Hopper/balanced-brackets.hopper

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#include <basico.h>
algoritmo
braizq="[", brader="]" // bug de Hopper :(
largo de datos=0
preparar datos (DATA_BRACKET)
obtener tamaño de datos, menos '1', guardar en 'largo de datos'
iterar
bra="", obtener dato, guardar en 'bra'
i=1, b=0, error_pos=""
iterar grupo( ++i, #( i<=len(bra) && is not neg (b) ),\
#( b += ((bra[i]==braizq) - (bra[i]==brader)) )\
#( error_pos = cat(replicate(" ",i-1),"^\n") ) )
solo si ( #(is pos(b)),\
#( error_pos=cat(cat(" ",error_pos),"(missing closed bracket)\n\n")))
solo si ( #(is neg(b)),\
#( error_pos=cat(error_pos,"(extra closed bracket)\n\n")))
imprimir ( #( rpad(" ",40,bra) ), ": ", \
solo si (b, "un"), "balanced\n",\
solo si (b, error_pos) )
mientras ' largo de datos-- '
terminar
subrutinas
DATA_BRACKET:
datos ("","[ [ ] [ [[] ][] ] [[]] ]","[[ ][[[ ][ ]]",\
"[][][[]]][","][[]][] [[[]]] [][]","[][] [][][[]]",\
"[ a-b * [c/d] + [[10 * sin 30 ]-1] ]",\
"[ a-b * [c/d] + [[10 * sin 30 ]]-1] ]")
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