sunqihuan @ 2024-08-13 21:13:58
用树状数组的思路解决线段树问题。
题解链接
by MrPython @ 2024-08-14 13:33:01
https://www.luogu.com.cn/article/osvmb3ld 有了
by sunqihuan @ 2024-08-14 16:36:37
@MrPython
对啊，我是**，没发现。