@[Jasper209](/user/691243) 加一个判断条件k<=m估计就可以了
by bamboo1030 @ 2022-08-29 21:07:22
我试一下，谢谢
by wuling_myz @ 2022-08-29 21:08:48
AC了，蟹蟹大佬
by wuling_myz @ 2022-08-29 21:10:44