StO 数学带佬 %%%
by lovely_ckj @ 2021-06-09 20:03:36
请问为啥把 unordered_map 换成 map 就能快很多啊，出题人特意卡了吗？
by Alan_Zhao @ 2021-06-30 16:33:45
@[Alan_Zhao](/user/225625) 确实，`unordered_map` 如果特意卡应该就是 $O(n)$ 的
by Acc_Robin @ 2021-07-10 11:19:49
StO 数学带佬 %%% %%% %%% %%%
by panyf @ 2021-07-16 10:35:35
%%%
by hs812277147 @ 2021-08-24 14:37:08
有道理
by compl @ 2021-09-09 12:03:36