@[nothingness](/space/show?uid=31317)
O2是个玄学，不要随便用。
by Smile_Cindy @ 2018-09-15 10:38:45
数组开大点。。。
by ROY1994 @ 2018-09-15 10:42:14
@[ROY1994](/space/show?uid=98822) 树状数组一倍空间可以的吧?
by little_gift @ 2018-09-15 10:43:11
……不会是```int update()```的锅吧
by little_gift @ 2018-09-15 10:45:01
有可能QAQ，
by ROY1994 @ 2018-09-15 10:47:04
@[little_gift](/space/show?uid=22132)
跟update没关系,我换了一个变量名,结果还是RE
by nothingness @ 2018-09-15 10:54:56
@[little_gift](/space/show?uid=22132)
大佬能解释一下吗
by nothingness @ 2018-09-15 10:55:26
@[nothingness](/space/show?uid=31317) ```int update()``` 改成 ```void update()``` 试试 ~~不是报warning了么~~
by little_gift @ 2018-09-15 10:57:35