@[Wufei_OvO](/user/666940) 这样不一定能保证答案最优吧，建议学习~~费用流~~正解做法
by OldDriverTree @ 2023-08-01 10:41:06
可以开4维数组同时dp
by zzb1217 @ 2023-08-07 09:35:04
4层循环
by zzb1217 @ 2023-08-07 09:35:48