@[zhczcg314](/user/680982)
$1 \le n\leq 3\times 10^6$
by Ggsddu_zzy @ 2022-12-23 23:04:30
@[zhczcg314](/user/680982) 数组要开大到现在的三倍。
by Ja50nY0un9_as_AgNO3 @ 2022-12-23 23:08:45
@[Ja50nY0un9](/user/363302) dalao, TLE了 咋整捏
by zhczcg314 @ 2022-12-23 23:19:26
@[zhczcg314](/user/680982) cin 换成 scanf，直接用 cin 效率很低
by Ja50nY0un9_as_AgNO3 @ 2022-12-23 23:32:57
@[zhczcg314](/user/680982)
数组开到3000030，开O2，应该能过。
by Ggsddu_zzy @ 2022-12-24 07:29:27
@[Ggsddu_zzy](/user/677671) ok,谢dalao%%%%%%
by zhczcg314 @ 2023-02-01 14:47:03
@[Ggsddu_zzy](/user/677671) AC了%%%%%%
by zhczcg314 @ 2023-02-01 14:48:04