Flipping bits game: Difference between revisions

Content added Content deleted
m (→‎{{header|Perl 6}}: fixed scramble routine)
m (→‎{{header|REXX}}: simplified the program, added identifiers of the user inputs.)
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:::*   the size of the array (grid)   [default is 3,   maximum is 26]
:::*   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 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''']
<br>Programming note: &nbsp; none of the command line parameters are checked for errors (so as to make the program simpler).
<br>Programming note: &nbsp; none of the command line parameters are checked for errors (so as to make the program simpler).
<lang rexx>/*REXX program presents a "flipping bit" puzzle. The user can solve via it via C.L. */
<lang rexx>/*REXX program presents a "flipping bit" puzzle. The user can solve via it via C.L. */
parse arg N u on off . /*get optional arguments from the C.L. */
parse arg N u . /*get optional arguments from the C.L. */
if N=='' | N=="," then N =3 /*Size given? Then use default of 3.*/
if N=='' | N=="," then N =3 /*Size given? Then use default of 3.*/
if u=='' | u=="," then u =N /*the number of bits initialized to ON.*/
if u=='' | u=="," then u =N /*the number of bits initialized to ON.*/
if on =='' then on =1 /*the character used for "on". */
⚫
if off=='' then off=0 /* " " " " "off". */
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 the column id.*/
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 the column id.*/
cols=space(col@,0); upper cols /*letters to be used for the columns. */
cols=space(col@, 0); upper cols /*letters to be used for the columns. */
@.=off; !.=off /*set both arrays to "off" characters.*/
@.=0; !.=0 /*set both arrays to "off" characters.*/
tries=0 /*number of player's attempts (so far).*/
tries=0 /*number of player's attempts (so far).*/
do while show(0) < u /* [↓] turn "on" U number of bits.*/
do while show(0) < u /* [↓] turn "on" U number of bits.*/
r=random(1,N); c=random(1,N) /*get a random row and column. */
r=random(1, N); c=random(1, N) /*get a random row and column. */
@.r.c=on ; !.r.c=on /*set (both) row and column to ON. */
@.r.c=1 ; !.r.c=1 /*set (both) row and column to ON. */
end /*while*/ /* [↑] keep going 'til U bits set.*/
end /*while*/ /* [↑] keep going 'til U bits set.*/
oz=z /*keep the original array string. */
oz=z /*keep the original array string. */
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end /*random···*/ /* [↑] just perform 1 or 2 times. */
end /*random···*/ /* [↑] just perform 1 or 2 times. */


if z==oz then call flip 'R',random(1,N) /*ensure it's not target we're flipping*/
if z==oz then call flip 'R', random(1, N) /*ensure it's not target we're flipping*/


do until z==oz /*prompt until they get it right. */
do until z==oz /*prompt until they get it right. */
call prompt /*get a row or column number from C.L. */
call prompt /*get a row or column number from C.L. */
call flip left(?,1),substr(?,2) /*flip a user selected row or column. */
call flip left(?, 1), substr(?, 2) /*flip a user selected row or column. */
call show 0 /*get image (Z) of the updated array. */
call show 0 /*get image (Z) of the updated array. */
end /*until···*/
end /*until···*/
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/*──────────────────────────────────────────────────────────────────────────────────────*/
/*──────────────────────────────────────────────────────────────────────────────────────*/
halt: say 'program was halted!'; exit /*the REXX program was halted by user. */
halt: say 'program was halted!'; exit /*the REXX program was halted by user. */
isInt: return datatype(arg(1),'W') /*returns 1 if arg is an integer.*/
isInt: return datatype(arg(1), 'W') /*returns 1 if arg is an integer.*/
isLet: return datatype(arg(1),'M') /*returns 1 if arg is a letter. */
isLet: return datatype(arg(1), 'M') /*returns 1 if arg is a letter. */
terr: if ok then say '***error!***: illegal' arg(1); ok=0; return
terr: if ok then say '***error!***: illegal' arg(1); ok=0; return
/*──────────────────────────────────────────────────────────────────────────────────────*/
/*──────────────────────────────────────────────────────────────────────────────────────*/
flip: parse arg x,# /*X is R or C; #: is which one.*/
flip: parse arg x,# /*X is R or C; #: is which one.*/
do c=1 for N while x=='R'; if @.#.c==on then @.#.c=off; else @.#.c=on; end
do c=1 for N while x=='R'; @.#.c=\@.#.c; end /*c*/
do r=1 for N while x=='C'; if @.r.#==on then @.r.#=off; else @.r.#=on; end
do r=1 for N while x=='C'; @.r.#=\@.r.#; end /*r*/
return /* [↑] the bits can be ON or OFF. */
return /* [↑] the bits can be ON or OFF. */
/*──────────────────────────────────────────────────────────────────────────────────────*/
/*──────────────────────────────────────────────────────────────────────────────────────*/
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do forever; ok=1; say; say !; pull ? _ . 1 all /*prompt & get ans*/
do forever; ok=1; say; say !; pull ? _ . 1 all /*prompt & get ans*/
if abbrev('QUIT',?,1) then do; say 'quitting···'; exit 0; end
if abbrev('QUIT', ?, 1) then do; say 'quitting···'; exit 0; end
if ?=='' then do; call show 1," ◄───target",.; ok=0
if ?=='' then do; call show 1," ◄───target",.; ok=0
call show 1," ◄───your array"
call show 1," ◄───your array"
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if isLet(?) & (a<1 | a>N) then call terr 'column: ' ?
if isLet(?) & (a<1 | a>N) then call terr 'column: ' ?
if isLet(?) & length(?)>1 then call terr 'column: ' ?
if isLet(?) & length(?)>1 then call terr 'column: ' ?
if isLet(?) then ?='C'pos(?,cols)
if isLet(?) then ?='C'pos(?, cols)
if isInt(?) & (?<1 | ?>N) then call terr 'row: ' ?
if isInt(?) & (?<1 | ?>N) then call terr 'row: ' ?
if isInt(?) then ?=?/1 /*normalize number*/
if isInt(?) then ?=?/1 /*normalize number*/
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return ? /*return response.*/
return ? /*return response.*/
/*──────────────────────────────────────────────────────────────────────────────────────*/
/*──────────────────────────────────────────────────────────────────────────────────────*/
show: $=0; _=; z=; parse arg tell,tx,o /*$: # of ON bits.*/
show: $=0; _=; parse arg tell,tx,o /*$≡num of ON bits*/
if tell then do; say /*are we telling? */
if tell then do; say /*are we telling? */
say ' ' subword(col@,1,N) " column letter"
say ' ' subword(col@,1,N) " column letter"
say 'row ╔'copies('═',N+N+1) /*prepend col hdrs*/
say 'row ╔'copies('═',N+N+1) /*prepend col hdrs*/
end /* [↑] grid hdrs.*/
end /* [↑] grid hdrs.*/
⚫
z= /* [↓] build grid.*/

do r=1 for N /*show grid rows.*/
do r=1 for N /*show grid rows.*/
do c=1 for N /*build grid cols.*/
do c=1 for N; if o==. then do; z=z || !.r.c; _=_ !.r.c; $=$+!.r.c; end
if o==. then do; z=z || !.r.c; _=_ !.r.c; $=$+(!.r.c==on); end
else do; z=z || @.r.c; _=_ @.r.c; $=$+@.r.c; end
else do; z=z || @.r.c; _=_ @.r.c; $=$+(@.r.c==on); end
end /*c*/ /*··· and sum ONs.*/
end /*c*/ /*··· and sum ONs.*/
if tx\=='' then tar.r=_ tx /*build da target?*/
if tx\=='' then tar.r=_ tx /*build da target?*/
if tell then say right(r,2) ' ║'_ tx; _= /*show the grid? */
if tell then say right(r, 2) ' ║'_ tx; _= /*show the grid? */
end /*r*/ /*show a grid row.*/
end /*r*/ /*show a grid row.*/


if tell then say /*show blank line.*/
if tell then say /*show blank line.*/
return $ /*$: # of ON bits.*/</lang>
return $ /*num of on bits. */</lang>
'''output''' &nbsp; when using the default input of: &nbsp; <tt> 3 </tt>
'''output''' &nbsp; when using the default input of: &nbsp; <tt> 3 </tt>


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Also note that the 2<sup>nd</sup> answer was a blank (or nothing), which caused the program to re-show the target array.
Also note that the 2<sup>nd</sup> answer was a blank (or nothing), which caused the program to re-show the target array.
<pre style="height:75ex">
<pre style="height:101ex">
a b c column letter
a b c column letter
row ╔═══════
row ╔═══════
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─────────Please enter a row number or column letter, or Quit:
─────────Please enter a row number or column letter, or Quit:
2 ◄■■■■■■■■■■■■■ user input
2
─────────bit array after play: 1
─────────bit array after play: 1


Line 2,793: Line 2,789:


─────────Please enter a row number or column letter, or Quit:
─────────Please enter a row number or column letter, or Quit:
◄■■■■■■■■■■■■■ user input (a null)



a b c column letter
a b c column letter
Line 2,810: Line 2,806:


─────────Please enter a row number or column letter, or Quit:
─────────Please enter a row number or column letter, or Quit:
b ◄■■■■■■■■■■■■■ user input
b
─────────bit array after play: 2
─────────bit array after play: 2


Line 2,821: Line 2,817:


─────────Please enter a row number or column letter, or Quit:
─────────Please enter a row number or column letter, or Quit:
a ◄■■■■■■■■■■■■■ user input
a


a b c column letter
a b c column letter
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─────────Congrats! You did it in 3 tries.
─────────Congrats! You did it in 3 tries.
</pre>
</pre>
'''output''' &nbsp; when the following was used for input: &nbsp; <tt> 4 &nbsp; , &nbsp; + &nbsp; - </tt>
'''output''' &nbsp; when the following was used for input: &nbsp; <tt> 4 </tt>
<pre>
<pre>
a b c d column letter
a b c d column letter
row ╔═════════
row ╔═════════
1 ║ + + - - ◄───target
1 ║ 1 1 0 0 ◄───target
2 ║ - + - + ◄───target
2 ║ 0 1 0 1 ◄───target
3 ║ - - - - ◄───target
3 ║ 0 0 0 0 ◄───target
4 ║ - - - - ◄───target
4 ║ 0 0 0 0 ◄───target




a b c d column letter
a b c d column letter
row ╔═════════
row ╔═════════
1 ║ - + - + ◄───your array
1 ║ 0 1 0 1 ◄───your array
2 ║ - - + + ◄───your array
2 ║ 0 0 1 1 ◄───your array
3 ║ + - - + ◄───your array
3 ║ 1 0 0 1 ◄───your array
4 ║ + - - + ◄───your array
4 ║ 1 0 0 1 ◄───your array




─────────Please enter a row number or column letter, or Quit:
─────────Please enter a row number or column letter, or Quit:
q ◄■■■■■■■■■■■■■ user input
q
</pre>
</pre>


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