xyp1964
发表于 2022-3-2 13:50:50
结论:
(c b a b c)
(c b a a b c)
(c b a a a b c)
(c b b a b b c)
(c c b a b c c)
遗漏?
mahuan1279
发表于 2022-3-2 14:37:32
xyp1964 发表于 2022-3-2 13:50
结论:
(c b a b c)
(c b a a b c)
只含有两个字符的回文数。形如(c c a c c)(c a a a c)(c c b c c)(c b b b c)……