@[suxiaozhou](/user/781131) `int k=lower_bound(b+1,b+1+m,a[i])-b;` `n` 改 `m`。 by Terrible @ 2024-01-30 21:21:31
谢谢大佬！！改好了！已AC!! by suxiaozhou @ 2024-01-30 21:58:00