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