RosettaCodeData/Task/Cantor-set/QBasic/cantor-set.basic

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SUB Cantor
FOR i = 0 TO alto - 1
FOR j = 0 TO ancho - 1
intervalo$(i, j) = CHR$(254) '"#"
NEXT j
NEXT i
END SUB
SUB ConjCantor (inicio, longitud, indice)
segmento = INT(longitud / 3)
IF segmento = 0 THEN EXIT SUB
FOR i = indice TO alto - 1
FOR j = inicio + segmento TO inicio + segmento * 2 - 1
intervalo$(i, j) = CHR$(32) '" "
NEXT j
NEXT i
CALL ConjCantor(inicio, segmento, indice + 1)
CALL ConjCantor(inicio + segmento * 2, segmento, indice + 1)
END SUB
CONST ancho = 81
CONST alto = 5
DIM SHARED intervalo$(alto, ancho)
CLS
CALL Cantor
CALL ConjCantor(0, ancho, 1)
FOR i = 0 TO alto - 1
FOR j = 0 TO ancho - 1
PRINT intervalo$(i, j);
NEXT j
PRINT
NEXT i
END