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Flipping bits game: Difference between revisions
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→{{header|REXX}}: changed section header comments, changed column identifiers to be more idiomatic.
m (→{{header|REXX}}: expanded program logic to allow a 26x26 grid array.) |
m (→{{header|REXX}}: changed section header comments, changed column identifiers to be more idiomatic.) |
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=={{header|REXX}}==
This REXX version allows the specification (on the invocation line) for:
:::* the size of the array (grid) [default is 3, maximum is 26]
:::* the number of bits (for the target) to be set to '''on''' [default is size of the grid]
:::* the characters which are used for the '''on''' and '''off''' (bits) [defaults are '''1''' and '''0''']
<lang rexx>/*REXX program presents a "flipping bit" puzzle, user can solve via C.L.*/
parse arg N u on off . /*get optional arguments. */
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if on =='' then on =1 /*character used for "on". */
if off=='' then off=0 /*character used for "off". */
cols='ABCDEFGHIJKLMNOPQRSTUVWXYZ' /*letters to be used for columns.*/▼
col@='a b c d e f g h i j k l m n o p q r s t u v w x y z' /*for col id.*/
@.=off; !.=off /*set both arrays to "off" chars.*/
tries=0 /*# of player's attempts used. */
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