Built with src/benchmarks/leetcode/hf_dataset/build_dataset.py (msl-multilingual-self-learning, branch dataset-v2). Test: 191 problems / 18,070 tests; train: 2,103 problems. Descriptions keep exponents (10^9); tests that break the problem's Constraints, overflow a language's types, expect inf/nan or cannot be read are dropped; any-order and decimal answers use answers_match. reports/dropped.md lists every drop.
