RosettaCodeData/Task/Best-shuffle/Elena/best-shuffle.elena
2020-02-17 23:21:07 -08:00

48 lines
1.1 KiB
Text

import system'routines;
import extensions;
import extensions'text;
extension op
{
get Shuffled()
{
var original := self.toArray();
var shuffled := self.toArray();
for (int i := 0, i < original.Length, i += 1) {
for (int j := 0, j < original.Length, j += 1) {
if (i != j && original[i] != shuffled[j] && original[j] != shuffled[i])
{
shuffled.exchange(i,j)
}
}
};
^ shuffled.summarize(new StringWriter()).toString()
}
score(originalText)
{
var shuffled := self.toArray();
var original := originalText.toArray();
int score := 0;
for (int i := 0, i < original.Length, i += 1) {
if (original[i] == shuffled[i]) { score += 1 }
};
^ score
}
}
public program()
{
new::("abracadabra", "seesaw", "grrrrrr", "pop", "up", "a").forEach:(s)
{
var shuffled_s := s.Shuffled;
console.printLine("The best shuffle of ",s," is ",shuffled_s,"(",shuffled_s.score(s),")")
};
console.readChar()
}