Optimize print (#948)

夜雨飘零

2023-09-14 d13baaea9c1b023abca110baa97fa773eb9616fe

1
2
3
4
5
6
7
8
9
C    1
CC    2
CCC    3
CD    4
D    5
DC    6
DCC    7
DCCC    8
CM    9