分层图
by BeyondStars @ 2019-10-28 17:11:20
ntql%%%%%Orz
by Belarus @ 2019-10-28 17:26:15
rp太好 orz
by NCC79601 @ 2019-10-28 23:39:12
### ~~令我疑惑的是你连样例都没过竟然敢提交？~~
by 决心少年 @ 2019-11-02 16:26:38
也许这就是神仙吧
by forever_dreams @ 2019-11-05 07:35:57
可能数组开小了
MAXN开到500005
by DUO_JIaMInG @ 2019-11-07 20:05:50