Data commit

Task/State-name-puzzle/Java/state-name-puzzle.java

@@ -0,0 +1,58 @@
+import java.util.*;
+import java.util.stream.*;
+
+public class StateNamePuzzle {
+
+    static String[] states = {"Alabama", "Alaska", "Arizona", "Arkansas",
+        "California", "Colorado", "Connecticut", "Delaware", "Florida",
+        "Georgia", "hawaii", "Hawaii", "Idaho", "Illinois", "Indiana", "Iowa",
+        "Kansas", "Kentucky", "Louisiana", "Maine", "Maryland", "Massachusetts",
+        "Michigan", "Minnesota", "Mississippi", "Missouri", "Montana",
+        "Nebraska", "Nevada", "New Hampshire", "New Jersey", "New Mexico",
+        "New York", "North Carolina ", "North Dakota", "Ohio", "Oklahoma",
+        "Oregon", "Pennsylvania", "Rhode Island", "South Carolina",
+        "South Dakota", "Tennessee", "Texas", "Utah", "Vermont", "Virginia",
+        "Washington", "West Virginia", "Wisconsin", "Wyoming",
+        "New Kory", "Wen Kory", "York New", "Kory New", "New Kory",};
+
+    public static void main(String[] args) {
+        solve(Arrays.asList(states));
+    }
+
+    static void solve(List<String> input) {
+        Map<String, String> orig = input.stream().collect(Collectors.toMap(
+                s -> s.replaceAll("\\s", "").toLowerCase(), s -> s, (s, a) -> s));
+
+        input = new ArrayList<>(orig.keySet());
+
+        Map<String, List<String[]>> map = new HashMap<>();
+        for (int i = 0; i < input.size() - 1; i++) {
+            String pair0 = input.get(i);
+            for (int j = i + 1; j < input.size(); j++) {
+
+                String[] pair = {pair0, input.get(j)};
+                String s = pair0 + pair[1];
+                String key = Arrays.toString(s.chars().sorted().toArray());
+
+                List<String[]> val = map.getOrDefault(key, new ArrayList<>());
+                val.add(pair);
+                map.put(key, val);
+            }
+        }
+
+        map.forEach((key, list) -> {
+            for (int i = 0; i < list.size() - 1; i++) {
+                String[] a = list.get(i);
+                for (int j = i + 1; j < list.size(); j++) {
+                    String[] b = list.get(j);
+
+                    if (Stream.of(a[0], a[1], b[0], b[1]).distinct().count() < 4)
+                        continue;
+
+                    System.out.printf("%s + %s = %s + %s %n", orig.get(a[0]),
+                            orig.get(a[1]), orig.get(b[0]), orig.get(b[1]));
+                }
+            }
+        });
+    }
+}