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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Padovan-n-step-number-sequences/Java/padovan-n-step-number-sequences.java Normal file
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import java.util.ArrayList;
import java.util.List;
public final class PadovanNStep {
public static void main(String[] aArgs) {
final int limit = 8;
final int termCount = 15;
System.out.println("First " + termCount + " terms of the Padovan n-step number sequences:");
padovan(limit, termCount);
}
private static void padovan(int aLimit, int aTermCount) {
List<Integer> previous = List.of( 1, 1, 1 );
for ( int N = 2; N <= aLimit; N++ ) {
List<Integer> next = new ArrayList<Integer>(previous.subList(0, N + 1));
while ( next.size() < aTermCount ) {
int sum = 0;
for ( int stepBack = 2; stepBack <= N + 1; stepBack++ ) {
sum += next.get(next.size() - stepBack);
}
next.add(sum);
}
System.out.print(N + ": ");
next.forEach( term -> System.out.print(String.format("%4d", term)));
System.out.println();
previous = next;
}
}
}