GLM 5.2 vs Qwen3.7 Maxfor coding

```python
import re

def parse_duration(s):
    """
    Convert a duration string like '1h30m', '45s', '2h', '90m', '1h2m3s' into total seconds.
    
    The string must consist of one or more components, each being a non-negative integer
    followed by a unit 'h', 'm', or 's'. Units must appear in the order h, m, s (each at most once).
    Raises ValueError on any malformed input.
    """
    if not s:
        raise ValueError("Empty string")
    
    # Match all number+unit pairs
    pattern = re.compile(r'(\d+)([hms])')
    matches = patter…

```python
import re

def parse_duration(s: str) -> int:
    """
    Converts a duration string (e.g., '1h30m', '45s', '1h2m3s') into total seconds.
    Raises ValueError on malformed inputs.
    """
    if not isinstance(s, str):
        raise ValueError(f"Expected a string, got {type(s).__name__}")
        
    # Regex explanation:
    # ^             : Start of string
    # (?:(\d+)h)?   : Optional non-capturing group for hours, capturing the digits
    # (?:(\d+)m)?   : Optional non-capturing group for minutes, capturing the digits
    # (?:…