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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Bulls-and-cows/XPL0/bulls-and-cows.xpl0 Normal file
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int Bulls, Cows, Secret(4), Guess(4), Guesses, Used, I, J, Done, Digit, Okay;
[Used:= 0; \generate secret random number using digits
for I:= 0 to 3 do \ 1 to 9 without any repeated digits
[repeat Digit:= Ran(9)+1;
until (Used & 1<<Digit) = 0;
Used:= Used ! 1<<Digit;
Secret(I):= Digit + ^0;
];
Text(0, "Guess the secret number.^m^j");
Text(0, "Guesses must be four different digits, 1 to 9.^m^j");
Guesses:= 0;
loop [Done:= false; \main game loop
repeat Text(0, "Enter your guess: "); \get valid 4-digits from player
OpenI(0); Used:= 0; I:= 0;
loop [Digit:= ChIn(0);
Okay:= Digit>=^1 and Digit<=^9;
Digit:= Digit & $0F; \convert ASCII to binary
if not Okay or Used & 1<<Digit then
[Text(0,
"Please enter four distinct digits, 1 thru 9.^m^j");
quit;
];
Guess(I):= Digit + ^0;
Used:= Used ! 1<<Digit;
I:= I+1;
if I = 4 then [Done:= true; quit];
];
until Done;
Guesses:= Guesses+1;
Bulls:= 0; Cows:= 0;
for I:= 0 to 3 do
for J:= 0 to 3 do
if Guess(I) = Secret(J) then
if I=J then Bulls:= Bulls+1
else Cows:= Cows+1;
Text(0, "Bulls: "); IntOut(0, Bulls);
Text(0, " Cows: "); IntOut(0, Cows);
CrLf(0);
if Bulls = 4 then quit;
];
Text(0, "Congratulations! You won in "); IntOut(0, Guesses);
Text(0, " guesses.^m^j");
]