/in/foo.c:1:7: error: expected declaration specifiers or '...' before string constant
    1 | print("提供的餐品数量是：", end="")
      |       ^~~~~~~~~~~~~~~~~~~~
/in/foo.c:1:29: error: unknown type name 'end'
    1 | print("提供的餐品数量是：", end="")
      |                             ^~~
/in/foo.c:3:19: warning: multi-character character constant [-Wmultichar]
    3 | min_order = float('inf')
      |                   ^~~~~