Data update
This commit is contained in:
parent
5af6d93694
commit
796d366b97
455 changed files with 7413 additions and 1900 deletions
33
Task/Rep-string/Java/rep-string-2.java
Normal file
33
Task/Rep-string/Java/rep-string-2.java
Normal file
|
|
@ -0,0 +1,33 @@
|
|||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
public final class RepStrings {
|
||||
|
||||
public static void main(String[] aArgs) {
|
||||
List<String> tests = List.of( "1001110011", "1110111011", "0010010010",
|
||||
"1010101010", "1111111111", "0100101101", "0100100", "101", "11", "00", "1" );
|
||||
|
||||
System.out.println("The longest rep-strings are:");
|
||||
for ( String test : tests ) {
|
||||
List<String> repeats = repString(test);
|
||||
String result = repeats.isEmpty() ? "Not a rep-string" : repeats.get(repeats.size() - 1);
|
||||
System.out.println(String.format("%10s%s%s", test, " -> ", result));
|
||||
}
|
||||
}
|
||||
|
||||
private static List<String> repString(String aText) {
|
||||
List<String> repetitions = new ArrayList<String>();
|
||||
|
||||
for ( int length = 1; length <= aText.length() / 2; length++ ) {
|
||||
String possible = aText.substring(0, length);
|
||||
int quotient = aText.length() / length;
|
||||
int remainder = aText.length() % length;
|
||||
String candidate = possible.repeat(quotient) + possible.substring(0, remainder);
|
||||
if ( candidate.equals(aText) ) {
|
||||
repetitions.add(possible);
|
||||
}
|
||||
}
|
||||
return repetitions;
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue