似乎缺省源有点长？抱歉qwq by I_wil_ak_IOI @ 2022-06-15 12:33:50
@[I_wil_ak_IOI](/user/691542) `k=a*i+b;` 改为 `k = 0;` by lixuanyan @ 2022-06-15 14:17:08