擅长:python、mysql、java
<p>下面是一个将整数转换为具有唯一数字的1的函数:</p>
<pre><code>def to_uniq_digit_int(n):
seen = set() # A set that collects seen digits
result = 0
for i in str(n): # A lazy way to iterate over digits in an integer
if i not in seen:
seen.add(i)
# Since we are iterating from the most significant to the least significant, we can multiply the result by ten each time to move the integer one digit left
result = result * 10 + int(i)
return result
</code></pre>
<p>使用helper函数可能有助于提高代码的可读性。在</p>