$a=0$ 应该是 `continue` 不是 `break`，也不一定有 `sum2++`。
by wosile @ 2023-11-09 07:53:03
@[LonginusMonkey](/user/326254) 有人回你了
by Zlc晨鑫 @ 2023-11-09 08:28:48
@[Zlc晨鑫](/user/297555) 感谢提醒
by LonginusMonkey @ 2023-11-09 20:28:29
@[wosile](/user/280243) 祝rp++
by LonginusMonkey @ 2023-11-09 20:28:50