可能 merge 函数递归太多次了吧 @[huangbohan](https://www.luogu.com.cn/user/187407)
by tidongCrazy @ 2020-02-14 23:56:26
orz dalao 左偏树
by tidongCrazy @ 2020-02-14 23:57:48
题目中$i$和$j$有可能相等,@[huangbohan](/user/187407) (不要问我怎么知道的,我才过)
by 银翼的魔术师 @ 2020-08-03 17:02:22
我也是四点MLE (TAT)
by Tairano @ 2021-03-11 16:48:33