过不去的可以试试这个样例

P3952 [NOIP2017 提高组] 时间复杂度

zhangze3 @ 2024-08-17 14:41:29

input

1
8 O(n^3)
F a 1 n
F b n 1
E
F c 1 n
F d 1 n
E
E
E

output

Yes

input

1
8 O(n^3)
F a 1 n
F b n 1
E
F b 1 n
F d 1 n
E
E
E

output

Yes

by George_qwe @ 2024-11-04 20:24:17

thank,


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