记忆化搜索:
dp[i][j][k] 表示前i个，还剩j次申请机会，当前在k教室(0/1->c/d)
不知道哪里写挂了，还是思想就是错误的qw
by Cchen77 @ 2019-09-19 23:34:35
怎么直接沉了
by Cchen77 @ 2019-09-20 19:17:00
同求, $WA$得一模一样$qwq$.
by Rainybunny @ 2020-01-06 13:17:00
同求, WA得一模一样 qwq.
by GBLoi @ 2020-10-23 21:55:39
同求, WA得一模一样 qwq.
by biganbigan @ 2022-06-12 20:42:16