update them

src/puzzle/SwedishGenerator.java

@@ -133,14 +133,40 @@ public class SwedishGenerator {
       
       final String word;
       final int    difficulty;
+      final int    score;
       
-      public WordDifficulty(String word) {
+      public WordDifficulty(String word, int score) {
          this.word = word;
+         this.score = score;
          // Simple heuristic for difficulty: shorter words have lower difficulty
-         this.difficulty =  -Math.min(40,word.length() * 5);
+         // We combine this with the score (10 = common/simple, 1 = rare/hard)
+         // Lower difficulty value means it is tried EARLIER.
+         // We want LONGER and SIMPLER words to be tried earlier.
+         // Increasing simplicity weight: score (1-10) now has max impact of 50.
+         this.difficulty =  -Math.min(40, word.length() * 5) - (score * 5);
       }
    }
    
+   static Map<String, Integer> loadScores() {
+      var scores = new HashMap<String, Integer>();
+      try {
+         var lines = Files.readAllLines(Path.of("word_scores.csv"), StandardCharsets.UTF_8);
+         var first = true;
+         for (var line : lines) {
+            if (first) { first = false; continue; }
+            var parts = line.split(",", 3);
+            if (parts.length >= 2) {
+               try {
+                  scores.put(parts[0].trim().toUpperCase(Locale.ROOT), Integer.parseInt(parts[1].trim()));
+               } catch (NumberFormatException ignored) {}
+            }
+         }
+      } catch (IOException e) {
+         System.err.println("Warning: word_scores.csv not found, using default scores.");
+      }
+      return scores;
+   }
+   
    static final class Dict {
       
       final ArrayList<String>           words;
@@ -160,11 +186,13 @@ public class SwedishGenerator {
          raw = "EU\nUUR\nAUTO\nBOOM\nHUIS\nKAT\nZEE\nRODE\nDRAAD\nKENNIS\nNETWERK\nPAKTE\n";
       }
       
-      var words = new ArrayList<WordDifficulty>();
+      var llmScores = loadScores();
+      var words     = new ArrayList<WordDifficulty>();
       for (var line : raw.split("\\R")) {
          var s = line.trim().toUpperCase(Locale.ROOT);
          if (s.matches("^[A-Z]{2,8}$")) {
-            words.add(new WordDifficulty(s));
+            var score = llmScores.getOrDefault(s, 5); // Default to middle
+            words.add(new WordDifficulty(s, score));
          }
       }
       
@@ -254,9 +282,10 @@ public class SwedishGenerator {
       ci.count   = curLen;
       return ci;
    }
-   static int indexToDifficulty(DictEntry entry, int index) {
+   static int indexToDifficulty(DictEntry entry, int index, Map<String, Integer> llmScores) {
       var word = entry.words.get(index);
-      return new WordDifficulty(word).difficulty;
+      var score = llmScores.getOrDefault(word, 5);
+      return new WordDifficulty(word, score).difficulty;
    }
  
    
@@ -729,7 +758,7 @@ public class SwedishGenerator {
          return p;
       };
       
-      final var MAX_TRIES_PER_SLOT = 500;
+      final var MAX_TRIES_PER_SLOT = 2000;
       
       class Solver {
          
@@ -783,10 +812,9 @@ public class SwedishGenerator {
                // When picking words from sorted indices, we want to favor the beginning
                // (lower difficulty) but still have some randomness.
                for (var t = 0; t < tries; t++) {
-                  // Power law or similar to favor lower indices: 
-                  // pick a random double in [0, 1), square it to bias towards 0.
+                  // Bias strongly towards lower indices (simpler words) using r^3
                   double r = rng.nextFloat();
-                  int idxInArray = (int) (r * r * L);
+                  int idxInArray = (int) (r * r * r * L);
                   var idx = idxs[idxInArray];
                   var w   = entry.words.get(idx);
                   if (tryWord.apply(w)) return true;
@@ -804,7 +832,7 @@ public class SwedishGenerator {
             var tries = Math.min(MAX_TRIES_PER_SLOT, N);
             for (var t = 0; t < tries; t++) {
                double r = rng.nextFloat();
-               int idxInArray = (int) (r * r * N);
+               int idxInArray = (int) (r * r * r * N);
                var w   = entry.words.get(idxInArray);
                if (tryWord.apply(w)) return true;
             }
@@ -863,7 +891,7 @@ public class SwedishGenerator {
          System.out.printf(Locale.ROOT, "MASK: %.3fs%n", (tMask1 - tMask0) / 1e9);
          
          var tFill0 = System.nanoTime();
-         var filled = fillMask(rng, mask, dict.index, 200, 30000);
+         var filled = fillMask(rng, mask, dict.index, 200, 60000);
          var tFill1 = System.nanoTime();
          System.out.printf(Locale.ROOT, "FILL: %.3fms%n", (tFill1 - tFill0) / 1e6);