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2022-2023:teams:loaf_on_contest:front_page:nowcoder7 [CVBB ACM Team]

2022-2023:teams:loaf_on_contest:front_page:nowcoder7

差别

这里会显示出您选择的修订版和当前版本之间的差别。

到此差别页面的链接

--- 2022-2023:teams:loaf_on_contest:front_page:nowcoder7 [2022/08/31 22:22]
yuki
+++ 2022-2023:teams:loaf_on_contest:front_page:nowcoder7 [2022/08/31 22:30] (当前版本)
yuki
@@ 行 23: / 行 23: @@
 对于长度大于2且字符种类大于1 a....b...：.+ .*
 ====J====
+一个简单的dp：
+add(f[i][j + p][k + C2(p)], 1ll * f[i - 1][j][k] * C(j + p, p) % mod)
+最后的答案为f[K-1][n][t]，转移过程感觉比较像背包QAQ
 ====K====

2022-2023/teams/loaf_on_contest/front_page/nowcoder7.1661955778.txt.gz · 最后更改: 2022/08/31 22:22 由 yuki