@[Rainy7](/user/39408) query那里不是 ```x<=l&&r<=y``` horse
by GIFBMP @ 2020-01-26 15:26:00
@[GIFBMP](/user/122641)
嗯？
by Rainy7 @ 2020-01-26 15:35:43
@[GIFBMP](/user/122641) 等等我再看看
by Rainy7 @ 2020-01-26 15:35:59
@[GIFBMP](/user/122641)
我过了....$emmmmmmmmm$
by Rainy7 @ 2020-01-26 16:10:45