树状数组耶！
by ___I_AK_IOI @ 2018-09-25 19:19:08
@[坐看云起时6b](/space/show?uid=86324) 发一下评测记录（虽然我也没做过但我会树状数组娅！！！）
by ___I_AK_IOI @ 2018-09-25 19:19:44
https://www.luogu.org/record/show?rid=11137385@[白哥小葱](/space/show?uid=54520)
by pkh68 @ 2018-09-25 19:23:36
@[白哥小葱](/space/show?uid=54520)
by pkh68 @ 2018-09-25 19:23:54
https://www.luogu.org/record/show?rid=11137385
by pkh68 @ 2018-09-25 19:23:59
萌新都是怪物
by Sai0511 @ 2018-09-25 19:26:10
@[坐看云起时6b](/space/show?uid=86324) 帮你调过了
by ___I_AK_IOI @ 2018-09-25 19:28:22
@[坐看云起时6b](/space/show?uid=86324) 一个小错误，加法取模可能会改变答案，取模只能模乘法和除法
by ___I_AK_IOI @ 2018-09-25 19:28:57
什么意思？@[白哥小葱](/space/show?uid=54520)
by pkh68 @ 2018-09-25 19:31:17
@[白哥小葱](/space/show?uid=54520) ~~除法不能取模吧~~
by zybnxy @ 2018-09-25 19:34:35