zhuweiqi @ 2024-11-30 18:16:08
理由:首先我考场上这题总共用了 90min 左右,这题本身就用到了快速幂和组合数学,而且被诈骗去做了矩乘加速 dp,我认为这题比 T1 难。
by __cstdio__cpp @ 2024-11-30 18:26:22
个人感觉是绿,和[csp-j2019江西]很像,难度也差不多,确实比t1难但t1应该是上位黄。
by coding_goat @ 2024-11-30 18:27:37
@cstdiocpp t1 上位黄是不是有点过激了
by wangzihan_ @ 2024-11-30 18:45:00
zc
by pjh0625 @ 2024-11-30 18:51:04
其实评蓝更适合本蒟蒻
by szh_AK_all @ 2024-11-30 18:52:49
zc
by Masterwei @ 2024-11-30 18:56:19
zc,感觉 O(n) 的部分是绿。
by ChengyunSun @ 2024-11-30 19:05:24
支持蓝
by liugjs @ 2024-11-30 19:36:35
zc
by RyanRyan @ 2024-11-30 19:42:37
zc
by Missa @ 2024-11-30 19:43:34
同意蓝,我也写了矩阵快速幂。