???

P1423 小玉在游泳

@[zhaoanqiEtayo](/user/1027350) $i$ 是个 double。
by yzm0325 @ 2023-07-08 14:50:03


@[zhaoanqiEtayo](/user/1027350) i是double型才对
by zfj123456 @ 2023-07-08 14:54:49


|