@[5k_sync_closer](/user/388651)
by sto_5k_orz @ 2023-12-12 20:21:14
@[5k_sync_closer](/user/388651)
by sto_5k_orz @ 2023-12-14 11:49:55
@[5k_sync_closer](/user/388651)
by sto_5k_orz @ 2023-12-14 15:01:18
@[sto_5k_orz](/user/675466)
40 行改成 `l = 0`，因为初始两个前缀都是空的，而非一个是 $[1,1]$，一个是空的
by 5k_sync_closer @ 2023-12-14 19:32:48
5k 好闪，拜谢 5k。
by sto_5k_orz @ 2023-12-14 19:44:17