{
  "id": "rs_03",
  "slug": "code_debug",
  "category": "reasoning",
  "system": "You are a helpful assistant.",
  "messages": [
    {
      "role": "user",
      "content": "This Python function should return the maximum value of each sliding window of size k, but it misses the last window. Find the bug and fix it.\n\n```python\ndef sliding_window_max(lst, k):\n    result = []\n    for i in range(len(lst) - k):  # bug here\n        window = lst[i:i+k]\n        result.append(max(window))\n    return result\n```"
    }
  ],
  "tools": [],
  "generation_config": {
    "temperature": 0,
    "max_tokens": 1024
  },
  "grading": {
    "no_tool_expected": true,
    "expected_tool_call": null,
    "alternative_tool_calls": [],
    "expected_args_must_contain": [],
    "multi_turn": false,
    "tool_response_mock": null
  },
  "quality_checkpoint": "range(len(lst)-k) → range(len(lst)-k+1) 정확히 식별",
  "reference_answer": "change range(len(lst)-k) to range(len(lst)-k+1)"
}