| | { |
| | "dataset_info": { |
| | "source": "Codeforces Problemset", |
| | "creation_date": "2025-08-15T10:42:22.546174", |
| | "total_problems": 10556, |
| | "splits": { |
| | "train": 6333, |
| | "validation": 2111, |
| | "test": 2112 |
| | } |
| | }, |
| | "columns": { |
| | "contest_id": "Contest identifier", |
| | "index": "Problem index within contest (A, B, C, etc.)", |
| | "problem_id": "Unique problem identifier (contest_id + index)", |
| | "title": "Problem title", |
| | "rating": "Problem difficulty rating", |
| | "tags": "Problem categories/tags", |
| | "statement": "Main problem description", |
| | "input_spec": "Input specification", |
| | "output_spec": "Output specification", |
| | "note": "Additional notes", |
| | "sample_tests": "Example input/output", |
| | "difficulty_category": "Categorised difficulty level", |
| | "tag_count": "Number of tags assigned", |
| | "statement_length": "Length of problem statement", |
| | "input_spec_length": "Length of input specification", |
| | "output_spec_length": "Length of output specification", |
| | "contest_year": "Approximate contest year" |
| | }, |
| | "statistics": { |
| | "rating_distribution": { |
| | "count": 10556.0, |
| | "mean": 1818.1129215611975, |
| | "std": 774.9816586449926, |
| | "min": 0.0, |
| | "25%": 1200.0, |
| | "50%": 1800.0, |
| | "75%": 2400.0, |
| | "max": 3500.0 |
| | }, |
| | "difficulty_distribution": { |
| | "Beginner": 1939, |
| | "Medium": 1901, |
| | "Hard": 1839, |
| | "Easy": 1707, |
| | "Master": 1636, |
| | "Expert": 1534 |
| | }, |
| | "top_tags": { |
| | "greedy": 3210, |
| | "math": 3174, |
| | "implementation": 2899, |
| | "dp": 2315, |
| | "constructive algorithms": 1922, |
| | "data structures": 1895, |
| | "brute force": 1864, |
| | "binary search": 1185, |
| | "sortings": 1164, |
| | "graphs": 1154 |
| | }, |
| | "average_statement_length": 942.3583743842364, |
| | "contest_range": { |
| | "min": 1, |
| | "max": 2131 |
| | } |
| | } |
| | } |
