您 $ans$ 数组似乎开小了,当 $L=10000$,会访问 0~10000 之间的元素,共10001个数
by Sata_moto @ 2020-02-29 21:58:44
@[Terminator1006](/user/263457) a[10000]的下标范围是0~9999,如果l到了10000就不对了
by StarLbright40 @ 2020-02-29 21:59:53
(另外a和b可以不用数组
by StarLbright40 @ 2020-02-29 22:00:35
@[Sata_moto](/user/118274) 看了好久,忽略了这里。。。谢谢你
by Terminator1006 @ 2020-02-29 22:13:55
@[星光0000](/user/128570) 有道理,我太多余了
by Terminator1006 @ 2020-02-29 22:15:05