aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

June 2018 Update

Browse source
This commit is contained in:
Ingy döt Net 2018-06-22 20:57:24 +00:00
parent ba8067c3b7
commit 22f33d4004
5278 changed files with 84726 additions and 14379 deletions
Download patch file Download diff file Expand all files Collapse all files

128
Task/Bulls-and-cows/Ceylon/bulls-and-cows.ceylon
View file

@ -1,70 +1,70 @@
import ceylon.random {
DefaultRandom
DefaultRandom
}
shared void run() {
value random = DefaultRandom();
function generateDigits() =>
random.elements(1..9).distinct.take(4).sequence();
function validate(String guess) {
variable value ok = true;
if(!guess.every((Character element) => element.digit)) {
print("numbers only, please");
ok = false;
}
if('0' in guess) {
print("only 1 to 9, please");
ok = false;
}
if(guess.distinct.shorterThan(guess.size)) {
print("no duplicates, please");
ok = false;
}
if(guess.size != 4) {
print("4 digits please");
ok = false;
}
return ok;
}
function score({Integer*} target, {Integer*} guess) {
variable value bulls = 0;
variable value cows = 0;
for([a, b] in zipPairs(target, guess)) {
if(a == b) {
bulls++;
} else if(target.contains(b)) {
cows++;
}
}
return [bulls, cows];
}
while(true) {
value digits = generateDigits();
print("I have chosen my four digits, please guess what they are.
Use only the digits 1 to 9 with no duplicates and enter them with no spaces. eg 1234
Enter q or Q to quit.");
while(true) {
if(exists line = process.readLine()) {
if(line.uppercased == "Q") {
return;
}
if(validate(line)) {
value guessDigits = line.map((Character element) => parseInteger(element.string)).coalesced;
value [bulls, cows] = score(digits, guessDigits);
if(bulls == 4) {
print("You win!");
break;
} else {
print("Bulls: ``bulls``, Cows: ``cows``");
}
}
}
}
}
value random = DefaultRandom();
function generateDigits() =>
random.elements(1..9).distinct.take(4).sequence();
function validate(String guess) {
variable value ok = true;
if (!guess.every((Character element) => element.digit)) {
print("numbers only, please");
ok = false;
}
if ('0' in guess) {
print("only 1 to 9, please");
ok = false;
}
if (guess.distinct.shorterThan(guess.size)) {
print("no duplicates, please");
ok = false;
}
if (guess.size != 4) {
print("4 digits please");
ok = false;
}
return ok;
}
function score({Integer*} target, {Integer*} guess) {
variable value bulls = 0;
variable value cows = 0;
for ([a, b] in zipPairs(target, guess)) {
if (a == b) {
bulls++;
} else if (target.contains(b)) {
cows++;
}
}
return [bulls, cows];
}
while (true) {
value digits = generateDigits();
print("I have chosen my four digits, please guess what they are.
Use only the digits 1 to 9 with no duplicates and enter them with no spaces. eg 1234
Enter q or Q to quit.");
while (true) {
if (exists line = process.readLine()) {
if (line.uppercased == "Q") {
return;
}
if (validate(line)) {
value guessDigits = line.map((Character element) => Integer.parse(element.string)).narrow<Integer>();
value [bulls, cows] = score(digits, guessDigits);
if (bulls == 4) {
print("You win!");
break;
}
else {
print("Bulls: ``bulls``, Cows: ``cows``");
}
}
}
}
}
}