mirror of
https://github.com/open-thought/reasoning-gym.git
synced 2026-04-19 12:58:07 +00:00
47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
"""Count number of 1 bits in a number."""
|
|
|
|
from dataclasses import dataclass
|
|
from random import Random
|
|
from typing import Optional
|
|
|
|
from ..factory import ProceduralDataset, register_dataset
|
|
|
|
QUESTION_TEMPLATE = """How many 1 bits are there in the binary representation of the number {number}?"""
|
|
|
|
|
|
@dataclass
|
|
class CountBitsConfig:
|
|
"""Configuration for Count Bits dataset generation"""
|
|
|
|
max_n: int = 2**31 - 1 # Maximum number to consider
|
|
|
|
size: int = 500 # Virtual dataset size
|
|
seed: Optional[int] = None
|
|
|
|
def validate(self):
|
|
"""Validate configuration parameters"""
|
|
assert 1 <= self.max_n, "max_n must be at least 1"
|
|
|
|
|
|
class CountBitsDataset(ProceduralDataset):
|
|
"""Generates Count Bits exercises with configurable difficulty"""
|
|
|
|
def __init__(self, config: CountBitsConfig):
|
|
super().__init__(config=config, seed=config.seed, size=config.size)
|
|
|
|
def __getitem__(self, idx: int) -> dict:
|
|
"""Generate a single Count Bits question"""
|
|
rng = Random(self.seed + idx)
|
|
|
|
number = rng.randint(1, self.config.max_n)
|
|
binary = bin(number)[2:]
|
|
answer = binary.count("1")
|
|
|
|
return {
|
|
"question": QUESTION_TEMPLATE.format(number=number),
|
|
"answer": str(answer),
|
|
"metadata": {"number": number, "solution": answer, "binary": binary},
|
|
}
|
|
|
|
|
|
register_dataset("count_bits", CountBitsDataset, CountBitsConfig)
|