| { |
| "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 |
| } |
| } |
| } |
