线段树二分是啥？
by watermonster @ 2020-10-29 16:14:02
（线段树上二分
by 炎炎龙虾 @ 2020-10-29 16:15:07
就是像权值线段树套区间线段树少一个$log$那样吗
by watermonster @ 2020-10-29 16:18:14
@[炎炎龙虾](/user/203083) 普通平衡树
by 灵乌路空 @ 2020-10-29 16:21:00
@[炎炎龙虾](/user/203083) 求区间第K小
by 梦语小猪头 @ 2020-10-29 16:36:29