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September 2017 Update

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Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
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14
Task/Aliquot-sequence-classifications/Java/aliquot-sequence-classifications.java
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@ -1,11 +1,12 @@
import java.util.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.LongStream;
import static java.util.stream.LongStream.rangeClosed;
public class AliquotSequenceClassifications {
public static Long properDivsSum(long n) {
return rangeClosed(1, (n + 1) / 2).filter(i -> n % i == 0 && n != i).sum();
private static Long properDivsSum(long n) {
return LongStream.rangeClosed(1, (n + 1) / 2).filter(i -> n % i == 0 && n != i).sum();
}
static boolean aliquot(long n, int maxLen, long maxTerm) {
@ -52,8 +53,9 @@ public class AliquotSequenceClassifications {
}
public static void main(String[] args) {
long[] arr = {11L, 12, 28, 496, 220, 1184, 12496, 1264460,
790, 909, 562, 1064, 1488};
long[] arr = {
11, 12, 28, 496, 220, 1184, 12496, 1264460,
790, 909, 562, 1064, 1488};
LongStream.rangeClosed(1, 10).forEach(n -> aliquot(n, 16, 1L << 47));
System.out.println();