wujingfey @ 2023-10-03 09:06:15
如题,学校OJ上遇到了一道这样的题,但数据范围是
by Hughpig @ 2023-10-03 09:07:47
https://oi-wiki.org/ds/fenwick/#%E5%8C%BA%E9%97%B4%E5%8A%A0%E5%8C%BA%E9%97%B4%E5%92%8C
by shoot_down @ 2023-10-03 09:22:51
0
10^6 nlogn可以过吧
by Qerucy @ 2023-10-03 23:19:36
@shoot_down 其实是可以的,但是差分比较麻烦