@@ -32,6 +32,7 @@ public static void main(String[] args) {
3232 Day16 day = new Day16 ();
3333 day .printParts ();
3434 new com .sbaars .adventofcode .network .Submit ().submit (day .part1 (), 2015 , 16 , 1 );
35+ new com .sbaars .adventofcode .network .Submit ().submit (day .part2 (), 2015 , 16 , 2 );
3536 }
3637
3738 private void parseInput () {
@@ -67,14 +68,33 @@ public Object part1() {
6768
6869 @ Override
6970 public Object part2 () {
70- return 0 ; // Implement in next part
71+ return aunts .stream ()
72+ .filter (this ::matchesAllPropertiesWithRanges )
73+ .mapToInt (aunt -> aunt .number )
74+ .findFirst ()
75+ .orElse (0 );
7176 }
7277
7378 private boolean matchesAllProperties (AuntSue aunt ) {
7479 return aunt .properties .entrySet ().stream ()
7580 .allMatch (entry -> TARGET_VALUES .get (entry .getKey ()).equals (entry .getValue ()));
7681 }
7782
83+ private boolean matchesAllPropertiesWithRanges (AuntSue aunt ) {
84+ return aunt .properties .entrySet ().stream ()
85+ .allMatch (entry -> {
86+ String property = entry .getKey ();
87+ int value = entry .getValue ();
88+ int target = TARGET_VALUES .get (property );
89+ 90+ return switch (property ) {
91+ case "cats" , "trees" -> value > target ;
92+ case "pomeranians" , "goldfish" -> value < target ;
93+ default -> value == target ;
94+ };
95+ });
96+ }
97+ 7898 private static class AuntSue {
7999 private final int number ;
80100 private final Map <String , Integer > properties ;
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