树状数组随机出RE是怎么回事?

P3374 【模板】树状数组 1

@[阿陶陶陶](/user/383524) 看置顶帖
by Leap_Frog @ 2020-11-07 10:24:13


评测姬日爆(
by CHIS_fy @ 2020-11-07 10:24:20


@[阿陶陶陶](/user/383524) 如果您没有开-Wall,试着开一开,看有没有UB
by Stinger @ 2020-11-07 10:24:35


代码目测好像没有问题……评测姬日爆
by Stinger @ 2020-11-07 10:26:18


评测机日暴
by 蓝轩宇 @ 2020-11-07 10:27:15


评测机出故障了
by haohaoh4 @ 2020-11-07 10:27:18


现在A+B都随机RE,洛谷日爆
by zmx_wzx_JY @ 2020-11-07 10:27:36


<https://www.luogu.com.cn/discuss/show/274888>
by tqacyp @ 2020-11-07 10:28:59


谢谢,明白了
by 阿陶陶陶 @ 2020-11-07 10:32:42


对,洛谷确实快凉了,a+b第一次ac,后来随机re
by Slytherin_always @ 2020-11-07 11:17:51


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