擅长:python、mysql、java
<p>在<code>roundhalfup</code>中,将<code>int(...)</code>替换为<code>math.floor(...)</code>:</p>
<pre><code>from math import floor
def roundhalfup(x: Fraction) -> int:
"""
Returns the closest integer to x, with exact ties rounded up.
"""
return floor(x + Fraction(1, 2))
</code></pre>