@[duyanan](/user/536447) 典型数学题
by happybob @ 2022-03-09 16:03:46
@[happybob](/user/332914)
样例没错 但是有一个超时 优化有办法吗
by duyanan @ 2022-03-09 16:09:22
@[duyanan](/user/536447) 有办法，变成数学题做
by Ryo_Yamada @ 2022-03-09 16:16:56