"""AIME 2025 (community-standard mirror: yentinglin/aime_2025)."""

from ..sample import Sample
from ..registry import register_dataset
from ..spec import DatasetSpec


@register_dataset(
    DatasetSpec(
        name='aime25',
        source='yentinglin/aime_2025',  # https://huggingface.co/datasets/yentinglin/aime_2025
        split='train',
        task_type='math',
        tags=['math', 'competition'],
        description='AIME 2025, 30 problems (integer answers 000-999).',
    )
)
def aime25():
    def to_sample(record: dict) -> Sample:
        return Sample(
            input=record['problem'],
            target=str(record['answer']).strip(),
            metadata={'id': record.get('id')},
        )

    return to_sample