/in/foo.cc:6:19: error: stray '#' in program
    6 |         return 1  # 1的约数只有1
      |                   ^
/in/foo.cc:9:7: error: invalid preprocessing directive #\U0000904d\U00005386\U00005230\U00005e73\U000065b9\U00006839\U00005373\U000053ef\U0000ff0c\U000051cf\U00005c11\U00005faa\U000073af\U00006b21\U00006570
    9 |     # 遍历到平方根即可，减少循环次数
      |       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.cc:13:25: error: stray '#' in program
   13 |         if n % i == 0:  # i是n的约数
      |                         ^
/in/foo.cc:14:15: error: invalid preprocessing directive #\U0000533a\U00005206i\U0000548cn
   14 |             # 区分i和n/i是否相等，避免重复累加
      |               ^~~~~~~~
/in/foo.cc:21:3: error: invalid preprocessing directive #\U00008bfb\U000053d6\U00008f93\U00005165
   21 | # 读取输入
      |   ^~~~~~~~
/in/foo.cc:23:3: error: invalid preprocessing directive #\U00008ba1\U00007b97\U00005e76\U00008f93\U000051fa\U00007ed3\U0000679c
   23 | # 计算并输出结果
      |   ^~~~~~~~~~~~~~
/in/foo.cc:1:1: error: 'import' does not name a type
    1 | import math
      | ^~~~~~
/in/foo.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'