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The dataset generation failed
Error code:   DatasetGenerationError
Exception:    TypeError
Message:      Couldn't cast array of type
string
to
{'test_code': Value('string'), 'test_entry_point': Value('string')}
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1816, in _prepare_split_single
                  for key, table in generator:
                                    ^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 613, in wrapped
                  for item in generator(*args, **kwargs):
                              ~~~~~~~~~^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2369, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2303, in cast_table_to_schema
                  cast_array_to_feature(
                  ~~~~~~~~~~~~~~~~~~~~~^
                      table[name] if name in table_column_names else pa.array([None] * len(table), type=schema.field(name).type),
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                      feature,
                      ^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1852, in wrapper
                  return pa.chunked_array([func(chunk, *args, **kwargs) for chunk in array.chunks])
                                           ~~~~^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2109, in cast_array_to_feature
                  casted_array_values = _c(array.values, feature.feature)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1854, in wrapper
                  return func(array, *args, **kwargs)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2059, in cast_array_to_feature
                  _c(array.field(name) if name in array_fields else null_array, subfeature)
                  ~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1854, in wrapper
                  return func(array, *args, **kwargs)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2059, in cast_array_to_feature
                  _c(array.field(name) if name in array_fields else null_array, subfeature)
                  ~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1854, in wrapper
                  return func(array, *args, **kwargs)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2149, in cast_array_to_feature
                  raise TypeError(f"Couldn't cast array of type\n{_short_str(array.type)}\nto\n{_short_str(feature)}")
              TypeError: Couldn't cast array of type
              string
              to
              {'test_code': Value('string'), 'test_entry_point': Value('string')}
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
                  parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
                                                                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
                      builder, max_dataset_size_bytes=max_dataset_size_bytes
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  )
                  ^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
                  builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
                  ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1683, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ~~~~~~~~~~~~~~~~~~~~~~~~~~^
                      gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                  ):
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1869, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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messages
list
[ { "content": "Let the set $A=\\{1,2,3\\}$, and the set $B=\\{0,1,2\\}$. Then, the number of elements in $A\\cup B$ is $(\\quad)$.\n\nA: $2$\n\nB: $3$\n\nC: $4$\n\nD: $5$", "info": { "answer_content": null, "reference_answer": "C", "source": "openR1Math_extended", "test_case": null, ...
[ { "content": "The extreme value points of the function $f(x) = \\frac {1}{3} x^3 - \\frac {1}{4} x^4$ in the interval (0, 3) are __________.", "info": { "answer_content": null, "reference_answer": "x = 1", "source": "openR1Math_extended", "test_case": null, "think_content": nul...
[ { "content": "Given the power function $f(x) = x^{9-3m}$ $(m \\in N^*)$ whose graph is symmetric about the origin and is monotonically increasing on $\\mathbb{R}$.\n\n$(1)$ Find the expression for $f(x)$; \n$(2)$ Find the range of values for $a$ that satisfies $f(a+1) + f(3a-4) < 0$.", "info": { "ans...
[ { "content": "A certain school initiated a charity book donation activity called \"A Dream of Reading for Children in Poor Areas\". Within a short week, a large number of books were donated by students. A random survey was conducted on the donation situation of some students, and the collected data is summarize...
[ { "content": "In an isosceles triangle, one side length is $6$ and the other side length is $14$. What is the perimeter of the triangle?\n\nA: $26$\n\nB: $26$ or $34$\n\nC: $34$\n\nD: $20$", "info": { "answer_content": null, "reference_answer": "C", "source": "openR1Math_extended", "...
[ { "content": "If $a-3b=-3$, then the value of the algebraic expression $5-a+3b$ is (  )\nA: 0\nB: 2\nC: 5\nD: 8", "info": { "answer_content": null, "reference_answer": "D", "source": "openR1Math_extended", "test_case": null, "think_content": null }, "role": "user" }, ...
[ { "content": "Let's consider the following statements:\n- For statement A: The function $f(x) = |x^2 + mx + n|$ has four monotonic intervals.\n- For statement B: The function $g(x) = \\log(x^2 + mx + n)$ has its range as $\\mathbb{R}$.\n\nThen, statement A is to statement B as ( )\n\nA: A sufficient but not nec...
[ { "content": "There are 3 girls and 5 boys standing in a row.\n\n(1) If all the girls stand together, how many different arrangements are there?\n\n(2) If no two girls stand next to each other, how many different arrangements are there?", "info": { "answer_content": null, "reference_answer": "14...
[ { "content": "6. Which of the following numbers cannot be expressed as the difference of squares of two natural numbers?\nA. 2021\nB. 2020\nC. 2019\nD. 2018\nE. 2017", "info": { "answer_content": null, "reference_answer": "D", "source": "openR1Math_extended", "test_case": null, ...
[ { "content": "Let non-zero vectors $\\vec{a}$ and $\\vec{b}$ satisfy $|\\vec{a}| = |\\vec{b}|$. If $(2\\vec{a} + \\vec{b}) \\cdot \\vec{b} = 0$, then the angle between vectors $\\vec{a}$ and $\\vec{b}$ is $\\_\\_\\_\\_\\_\\_\\_\\_$.", "info": { "answer_content": null, "reference_answer": "120^\\...
[ { "content": "Given the function $$f(x)=- \\frac {1}{2}x^{2}+1$$, where $x \\in \\mathbb{R}$.\n1. Find the equation of the tangent line to the function's graph that passes through the point (1,1).\n2. Calculate the area of the closed figure formed by the graph of function $f(x)$ and the line $y=-1$.", "info...
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