默哀ing
by wd_dw @ 2020-08-07 19:36:37
az
by Arkadyevna @ 2020-08-07 19:39:21
看那这就是水帖的下场，只有两个人回复
by Arkadyevna @ 2020-08-07 19:42:32
求问这题怎么就未来日记了/yiw
by FZzzz @ 2020-08-07 19:50:07
哦如果你觉得 a+b 是线段树板子弱化版的话这题确实是未来日记弱化版没有问题
by FZzzz @ 2020-08-07 19:51:40
水帖的下场+1：被FZ Diss
by Arkadyevna @ 2020-08-07 19:52:37
@[FZzzz](/user/174045) 现在看到区间合并两个数就是未来日记(
by konjacp @ 2020-08-07 19:59:55
@[konjacp](/user/186403) /fad
by FZzzz @ 2020-08-07 20:15:09
那第四分块也是未来日记好了（
by FZzzz @ 2020-08-07 20:15:27
a+b何止是线段树板子弱化，它是动态仙人掌IV弱化！（手动滑稽）
by _998344353_ @ 2020-08-07 20:15:37