@[Ruoyuzhou](/user/1287878) 不能每次都算一遍,用累加来做!
by xd244 @ 2024-03-17 18:05:52
@[xd244](/user/1153793) OK(恍然大悟)
**栓Q**
by Ruoyuzhou @ 2024-03-17 18:41:02
已全部AC,本题答复已终止。
by Ruoyuzhou @ 2024-03-17 20:41:09