{
"llm" : {
"feedback" : "# Exercise: fractal\n\nLlm Evaluation ist für diese Aufgabe deaktiviert. Entferne die .llmignore Datei vom Package der Aufgabe.\n\n\n# Exercise: knapsack\n\n### Correctness\n- In `KnapsackN` hat `main()` keine Signatur wie sie üblicherweise von Java zum Starten erwartet wird (`main(String[] args)`); je nach Test/Runner wird die Methode so nicht ausgeführt.\n\n### Suggestion\n- Prüfe die erwartete Einstiegsmethode der Aufgabe/Testumgebung: Wenn die Tests das Programm über eine `main(String[] args)` starten, passe die Signatur entsprechend an (Parameterliste/`static`/Sichtbarkeit beibehalten).\n\n### Code Style\n- In `pack(int i)` verschachtelst du zwei Schleifen, die nur dazu dienen, `loadItem/unloadItem` mehrfach aufzurufen; das ist zwar korrekt, aber unnötig “laut”. Überlege, ob du die Zustandsänderung pro `n` kompakter ausdrücken kannst (z.B. durch gebündeltes Addieren/Subtrahieren oder indem du die Veränderung zwischen zwei `n`-Iterationen inkrementell weiterführst).\n- Die Kommentare sind hilfreich, aber teilweise sehr ausführlich für selbsterklärenden Code (z.B. “bei n=0 passiert nichts”); ggf. kürzen, damit die Kernlogik schneller erfassbar ist.\n\n\n# Exercise: sudoku\n\n### Correctness\n- In `SudokuSolverImpl`, `solved(SudokuModel model, int fieldNr)` is not implemented and always returns `false`, so the Sudoku will never be solved.\n- In `SudokuSolverImpl`, `nofSolutions(SudokuModel model, int fieldNr, int max)` is not implemented and always returns `0`, so the number of solutions is always reported as zero.\n- In `Sudoku.java`, the entry point is `void main()` instead of `public static void main(String[] args)`, so the application won’t start as required by a standard Java program.\n\n### Suggestion\n- For `solved`: think about a backtracking recursion over the 81 fields (linear index `fieldNr`), with a base case when you passed the last field; for each empty cell, try values `1..model.size()`, check validity with the checker, recurse, and if it fails undo the choice (clear the cell).\n- For `nofSolutions`: reuse the same traversal, but instead of returning a boolean you accumulate a count; when reaching the end return 1 solution found; also stop exploring further branches once you reached the provided `max` (use the remaining budget `max - alreadyFound` in recursive calls).\n- For `Sudoku.java`: make sure the JVM can find and run your program by using the exact `main` signature (public + static + String[] parameter).\n\n### Code Style\n- Keep the `// TODO implement` markers only while developing; once finished, remove them (or replace with a brief comment explaining the recursion/backtracking).\n- In `Sudoku.java`, add the usual `public static` modifiers to `main` to match conventional Java structure and avoid confusion when running from an IDE/build tool.\n\n\n# Exercise: queens\n\nLlm Evaluation ist für diese Aufgabe deaktiviert. Entferne die .llmignore Datei vom Package der Aufgabe.\n",
"status" : "SUCCESS"
},
"unitTest" : {
"tests" : [ {
"name" : "allZero()",
"status" : "PASSED",
"message" : null
}, {
"name" : "uselessStuff()",
"status" : "PASSED",
"message" : null
}, {
"name" : "random1()",
"status" : "PASSED",
"message" : null
}, {
"name" : "random2()",
"status" : "PASSED",
"message" : null
}, {
"name" : "random3()",
"status" : "PASSED",
"message" : null
}, {
"name" : "boardIsValidAfterSolveN4()",
"status" : "FAILED",
"message" : "Board must contain exactly N queens ==> expected: <4> but was: <0>"
}, {
"name" : "boardIsValidAfterSolveN5()",
"status" : "FAILED",
"message" : "Board must contain exactly N queens ==> expected: <5> but was: <0>"
}, {
"name" : "boardIsValidAfterSolveN8()",
"status" : "FAILED",
"message" : "Board must contain exactly N queens ==> expected: <8> but was: <0>"
}, {
"name" : "boardSizeIsCorrectForN4()",
"status" : "PASSED",
"message" : null
}, {
"name" : "boardSizeIsCorrectForN8()",
"status" : "PASSED",
"message" : null
}, {
"name" : "countN1()",
"status" : "FAILED",
"message" : "N=1 has exactly 1 solution ==> expected: <1> but was: <0>"
}, {
"name" : "countN2()",
"status" : "PASSED",
"message" : null
}, {
"name" : "countN3()",
"status" : "PASSED",
"message" : null
}, {
"name" : "countN4()",
"status" : "FAILED",
"message" : "N=4 has exactly 2 solutions ==> expected: <2> but was: <0>"
}, {
"name" : "countN5()",
"status" : "FAILED",
"message" : "N=5 has exactly 10 solutions ==> expected: <10> but was: <0>"
}, {
"name" : "countN6()",
"status" : "FAILED",
"message" : "N=6 has exactly 4 solutions ==> expected: <4> but was: <0>"
}, {
"name" : "countN8()",
"status" : "FAILED",
"message" : "N=8 has exactly 92 solutions ==> expected: <92> but was: <0>"
}, {
"name" : "solveReturnsTrueForN1()",
"status" : "FAILED",
"message" : "N=1 has exactly one solution ==> expected: <true> but was: <false>"
}, {
"name" : "solveReturnsTrueForN4()",
"status" : "FAILED",
"message" : "N=4 has valid queen placements ==> expected: <true> but was: <false>"
}, {
"name" : "solveReturnsTrueForN8()",
"status" : "FAILED",
"message" : "N=8 has valid queen placements ==> expected: <true> but was: <false>"
}, {
"name" : "solveReturnsFalseForN2()",
"status" : "PASSED",
"message" : null
}, {
"name" : "solveReturnsFalseForN3()",
"status" : "PASSED",
"message" : null
} ]
}
}