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d2213a5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | """Валидация математической корректности задач"""
import re
from typing import Union
from fractions import Fraction
class ProbabilityValidator:
"""Валидатор для проверки корректности вероятностей"""
@staticmethod
def is_valid_probability(probability: Union[float, Fraction]) -> bool:
if isinstance(probability, Fraction):
probability = float(probability)
return 0 <= probability <= 1
@staticmethod
def validate_task(task: dict) -> bool:
try:
required_fields = ['question', 'answer', 'solution', 'steps']
for field in required_fields:
if field not in task:
return False
if not ProbabilityValidator.is_valid_probability(task['answer']):
return False
if not ProbabilityValidator.validate_grammar(task['question']):
return False
return True
except Exception:
return False
@staticmethod
def validate_grammar(question: str) -> bool:
q = question.lower()
forbidden_patterns = [
r'\bптиц\b.*\bчай\b',
r'\bкур\b.*\bчай\b',
r'\bгус\b.*\bчай\b',
r'\bшар\b.*\bчай\b',
]
for pattern in forbidden_patterns:
if re.search(pattern, q):
return False
if re.search(r'\bчай\b', q):
tea_patterns = [
r'\bчай\b.*\bпакетик\b',
r'\bпакетик\b.*\bчай\b',
r'\bчёрн\w*\b.*\bчай\b',
r'\bзелён\w*\b.*\bчай\b',
]
if not any(re.search(p, q) for p in tea_patterns):
return False
if re.search(r'\b(птиц|кур|гус|утк)\w*\b', q):
bird_patterns = [
r'\bферм\w*\b',
r'\bкур\w*\b.*\bгус\w*\b',
r'\bгус\w*\b.*\bкур\w*\b',
]
if not any(re.search(p, q) for p in bird_patterns):
return False
return True
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