qwq
by yu__xuan @ 2019-07-10 21:51:07
看你维护什么东西
by yurzhang @ 2019-07-10 21:51:17
```
while(1){
写树剖ing……
}
```
by 灵光一闪 @ 2019-07-10 21:51:54
简单的维护树上加减
by 哈哈哈哈?? @ 2019-07-10 21:54:05
我手速慢(逃
by Frozencode @ 2019-07-10 21:58:32
那写树上差分啊,常数小码量小
by yurzhang @ 2019-07-10 22:02:33
多写几次的话5分钟就够了扒
by 乙津梦 @ 2019-07-10 22:05:06
去年一道树剖题,今年依旧TLE。
by tomtom @ 2019-07-10 22:10:28
楼上聚聚帮忙看看我的树剖吧qwq
by Frozencode @ 2019-07-10 22:13:46
维护的东西简单的话20分钟左右
我比较菜。。。。
by whyl @ 2019-07-10 22:19:47